Worman v. Healey ( 2019 )


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  •           United States Court of Appeals
    For the First Circuit
    No. 18-1545
    DAVID SETH WORMAN; ANTHONY LINDEN; JASON WILLIAM SAWYER; PAUL
    NELSON CHAMBERLAIN; GUN OWNERS' ACTION LEAGUE, INC.; ON TARGET
    TRAINING, INC.; OVERWATCH OUTPOST,
    Plaintiffs, Appellants,
    v.
    MAURA T. HEALEY, in her official capacity as Attorney General of
    the Commonwealth of Massachusetts; DANIEL BENNETT, in his
    official capacity as the Secretary of the Executive Office of
    Public Safety and Security; KERRY GILPIN, in her official
    capacity as Superintendent of the Massachusetts State Police,
    Defendants, Appellees.
    APPEAL FROM THE UNITED STATES DISTRICT COURT
    FOR THE DISTRICT OF MASSACHUSETTS
    [Hon. William G. Young, U.S. District Judge]
    Before
    Barron, Circuit Judge,
    Souter, Associate Justice,
    and Selya, Circuit Judge.
    John Parker Sweeney, with whom James Michael Campbell,
    Richard Paul Campbell, Campbell Campbell Edwards & Conroy PC, T.
    Sky Woodward, James W. Porter, III, Marc A. Nardone, and Bradley
    Arant Boult Cummings LLP, were on brief, for appellants.
    
    Hon. David H. Souter, Associate Justice (Ret.) of the Supreme
    Court of the United States, sitting by designation.
    Ilya Shapiro, Trevor Burrus, Matthew Larosiere, Joseph G.S.
    Greenlee, and David B. Kopel on brief for Professors of Second
    Amendment Law, Cato Institute, Second Amendment Foundation,
    Citizens Committee for the Right to Keep and Bear Arms, Jews for
    the Preservation of Firearms Ownership, Millennial Policy Center,
    and Independence Institute, amici curiae.
    Dan M. Peterson, Dan M. Peterson PLLC, C. D. Michel, Sean A.
    Brady, Anna M. Barvir, and Michel & Associates, P.C., on brief for
    Western States Sheriffs' Association, Law Enforcement Legal
    Defense Fund, Law Enforcement Action Network, International
    Association of Law Enforcement Firearms Instructors, CRPA
    Foundation, International Law Enforcement Educators and Trainers
    Association, and Law Enforcement Alliance of America, amici
    curiae.
    David H. Thompson, Peter A. Patterson, John D. Ohlendorf, and
    Cooper & Kirk, PLLC, on brief for National Rifle Association of
    America, Inc., amicus curiae.
    Julia E. Kobick, Assistant Attorney General, with whom Maura
    Healey, Attorney General, William W. Porter and Elizabeth Kaplan,
    Assistant Attorneys General, and Gary Klein, Special Assistant
    Attorney General, were on brief, for appellees.
    Jonathan K. Baum, Mark T. Ciani, Katten Muchin Rosenman LLP,
    J. Adams Skaggs, and Hannah Shearer on brief for Giffords Law
    Center to Prevent Gun Violence, amicus curiae.
    Mariel Goetz, Kimberly A. Mottley, Laura Stafford, and
    Proskauer Rose LLP, on brief for Brady Center to Prevent Gun
    Violence, amicus curiae.
    Edward Notis-McConarty, M. Patrick Moore, Jr., Vanessa A.
    Arslanian, and Hemenway & Barnes LLP on brief for Massachusetts
    Chiefs of Police Association and Massachusetts Major City Chiefs
    of Police Association, amici curiae.
    Gurbir S. Grewal, Attorney General of New Jersey, Andrew J.
    Bruck, Executive Assistant Attorney General, Jeremy M. Feigenbaum
    and Glenn Moramarco, Assistant Attorneys General, Melissa Medoway,
    Deputy Attorney General, Xavier Becerra, Attorney General of
    California, George Jepsen, Attorney General of Connecticut,
    Matthew P. Denn, Attorney General of Delaware, Russell A. Suzuki,
    Attorney General of Hawai'i, Tom Miller, Attorney General of Iowa,
    Brian E. Frosh, Attorney General of Maryland, Ellen F. Rosenblum,
    Attorney General of Oregon, Josh Shapiro, Attorney General of
    Pennsylvania, Peter F. Kilmartin, Attorney General of Rhode
    Island, Mark R. Herring, Attorney General of Virginia, Thomas J.
    Donovan, Jr., Attorney General of Vermont, Robert W. Ferguson,
    Attorney General of Washington, Karl A. Racine, Attorney General
    for the District of Columbia, on brief for states of New Jersey,
    California, Connecticut, Delaware, Hawai'i, Iowa, Maryland,
    Oregon, Pennsylvania, Rhode Island, Vermont, Virginia, Washington,
    and the District of Columbia, amici curiae.
    Eric Tirschwell, William J. Taylor, Jr., Mark Anthony
    Frassetto, Deepak Gupta, Jonathan E. Taylor, and Gupta Wessler
    PLLC, on brief for Everytown for Gun Safety, amicus curiae.
    Albert W. Wallis, Elizabeth A. Ritvo, Tristan G. Axelrod,
    Brown Rudnick LLP, Kenneth A. Sweder, and Sweder & Ross LLP, on
    brief for Jewish Alliance for Law and Social Action, Greater Boston
    Interfaith Organization, Episcopal Diocese of Massachusetts,
    Episcopal Diocese of Western Massachusetts, Islamic Society of
    Boston, Massachusetts Council of Churches, Union for Reform
    Judaism, Central Conference of American Rabbis, Women of Reform
    Judaism, and Men of Reform Judaism, amici curiae.
    Ben T. Clements and Clements & Pineault, LLP, on brief for
    Stop Handgun Violence, MA Coalition to Prevent Gun Violence, and
    Massachusetts General Hospital Gun Violence Prevention Coalition,
    amici curiae.
    James Murray, pro se, on brief for James Murray, amicus
    curiae.
    April 26, 2019
    SELYA, Circuit Judge.   This high-profile case involves
    a constitutional challenge to a Massachusetts law proscribing the
    sale, transfer, and possession of certain semiautomatic assault
    weapons and large-capacity magazines (LCMs).      See Mass. Gen. Laws
    ch. 140, §§ 121, 131M (the Act).      The plaintiffs assert that they
    have an unfettered Second Amendment right to possess the proscribed
    assault weapons and LCMs in their homes for self-defense.1        The
    district court granted summary judgment in favor of the defendants
    (a phalanx of state officials). See Worman v. Healey, 
    293 F. Supp. 3d
    251, 271 (D. Mass. 2018).       Although our reasoning differs in
    certain respects from that of the court below, we affirm.
    We assume, without deciding, that the proscribed weapons
    have some degree of protection under the Second Amendment.         We
    further assume, again without deciding, that the Act implicates
    the core Second Amendment right of self-defense in the home by
    law-abiding, responsible individuals.      We hold, however, that the
    Act's burden on that core right is minimal and, thus, the Act need
    only withstand intermediate scrutiny — which it does.
    I. BACKGROUND
    We start by rehearsing the background and travel of the
    case.       The Massachusetts legislature modeled the Act on the 1994
    1
    Throughout this opinion, we use the terms "proscribed
    assault weapons and LCMs" and "proscribed weapons" interchangeably
    to describe the semiautomatic assault weapons and LCMs targeted by
    the Act.
    - 4 -
    federal Public Safety and Recreational Firearms Use Protection Act
    (the federal regulation), Pub. L. No. 103-322, §§ 110101-06, 108
    Stat. 1796, 1996-2010 (1994), which is no longer in effect.            The
    federal   regulation   prohibited   the   manufacture,     transfer,   and
    possession of "semiautomatic assault weapons" and the transfer and
    possession of "large capacity ammunition feeding devices."             
    Id. §§ 110102-03,
    108 Stat. at 1996-2000.       For purposes of the federal
    regulation, the term "semiautomatic assault weapon" was defined to
    include nineteen specific models, as well as any semiautomatic
    rifle, pistol, or shotgun with two or more combat-style features
    or the ability to accept a detachable magazine.          
    Id. § 110102(b),
    108 Stat. at 1997-98.    The term "large capacity ammunition feeding
    device" encompassed any magazine or other feeding device that could
    accept more than ten rounds of ammunition.          
    Id. § 110103(b),
    108
    Stat. at 1999. The federal regulation specifically exempted, inter
    alia, assault weapons that were lawfully possessed on the date of
    its enactment (September 13, 1994), semiautomatic rifles that
    could not hold more than five rounds of ammunition or accept a
    detachable magazine holding more than five rounds of ammunition,
    and a specific list of "long guns most commonly used in hunting
    and recreational sports."     H.R. Rep. No. 103-489, at 20 (1994);
    see Pub. L. No. 103-322, § 110102(a), 108 Stat. at 1996-97.             In
    explicating the purpose of the federal regulation, Congress stated
    that   semiautomatic    assault   weapons    have   "a   capability    for
    - 5 -
    lethality — more wounds, more serious, in more victims — far beyond
    that of other firearms in general, including other semiautomatic
    guns."   H.R. Rep. No. 103-489, at 19-20.
    Four    years     after     Congress   enacted     the    federal
    regulation, the Massachusetts legislature passed a counterpart
    statute, which made it a crime to sell, transfer, or possess
    semiautomatic     assault    weapons     as   defined   by     the   federal
    regulation, copies or duplicates of those weapons, and LCMs capable
    of holding more than ten rounds of ammunition.               See Mass. Gen.
    Laws ch. 140, §§ 121, 131M.      The Act contained the same exceptions
    as the federal regulation, including free passes for weapons
    lawfully owned on September 13, 1994, and for sundry automatic
    rifles commonly used for hunting and sport.         See 
    id. Congress allowed
    the federal regulation to expire in
    2004, but the Massachusetts legislature struck out in a different
    direction and made the Massachusetts assault weapons regulation
    permanent that year.       In signing the bill into law, then-Governor
    Romney declared that semiautomatic assault weapons and LCMs "are
    not made for recreation or self-defense.          They are instruments of
    destruction with the sole purpose of hunting down and killing
    people."
    We fast-forward to 2016 when the Massachusetts Attorney
    General, Maura Healey, issued a public enforcement notice designed
    to "provide[] guidance on the identification of weapons that are
    - 6 -
    'copies' or 'duplicates' of the enumerated Assault weapons that
    are banned under Massachusetts law."           Approximately six months
    later, the plaintiffs — a diverse group consisting of Massachusetts
    firearm owners, prospective firearm owners, firearm dealers, and
    a firearm advocacy association — brought suit in the federal
    district court, alleging constitutional violations and seeking
    declaratory    and   injunctive   relief.      They   named   an    array   of
    defendants including (as relevant here) various state officials in
    their   representative    capacities;       claimed   that    the    Act,   as
    interpreted and enforced by those officials, abridged both the
    Second Amendment and the Due Process Clause; and prayed for
    declaratory and injunctive relief.
    After some procedural skirmishing, not relevant here,
    the parties cross-moved for summary judgment.          The district court
    heard arguments of counsel and reserved decision.                   The court
    subsequently handed down a rescript in which it rejected the
    plaintiffs' challenges and explained why it was granting the
    defendants' summary judgment motion.         See Worman, 
    293 F. Supp. 3d
    at 258-71.     This timely appeal ensued.         In it, the plaintiffs
    challenge only the district court's rejection of their Second
    Amendment claims.
    II. ANALYSIS
    We review the grant of a motion for summary judgment de
    novo, taking the facts and all reasonable inferences therefrom to
    - 7 -
    the behoof of the non-moving parties (here, the plaintiffs).     See
    Hightower v. City of Boston, 
    693 F.3d 61
    , 70 (1st Cir. 2012);
    Houlton Citizens' Coal. v. Town of Houlton, 
    175 F.3d 178
    , 184 (1st
    Cir. 1999). "We will affirm only if the record reveals 'that there
    is no genuine dispute as to any material fact and the movant is
    entitled to judgment as a matter of law.'"      Avery v. Hughes, 
    661 F.3d 690
    , 693 (1st Cir. 2011) (quoting Fed. R. Civ. P. 56(a)).
    This standard applies unabated to appeals — like this one — arising
    out of a district court's disposition of cross-motions for summary
    judgment.    See Blackie v. Maine, 
    75 F.3d 716
    , 720-21 (1st Cir.
    1996).   In applying the standard here, we have the benefit not
    only of able briefing by the parties but also of a myriad of
    thoughtful amicus briefs (for which we are grateful).
    A. The Legal Framework.
    The Second Amendment states that "[a] well regulated
    Militia, being necessary to the security of a free State, the right
    of the people to keep and bear Arms, shall not be infringed."   U.S.
    Const. amend. II.   In a seminal decision, the Supreme Court held
    that the Second Amendment protects an individual's right to keep
    and bear arms (unconnected to service in the militia).           See
    District of Columbia v. Heller, 
    554 U.S. 570
    , 592 (2008).        Two
    years later, the Court made pellucid that the Second Amendment
    applies to the states through the Fourteenth Amendment.          See
    McDonald v. City of Chicago, 
    561 U.S. 742
    , 750 (2010).
    - 8 -
    The law challenged in Heller constituted an "absolute
    prohibition of handguns held and used for self-defense in the
    home," which (the Court ruled) transgressed the Second 
    Amendment.2 554 U.S. at 635-36
    .        Although the Court did not have occasion to
    examine    "the   full    scope    of   the     Second   Amendment"       right,   it
    cautioned that the right "is not unlimited."                      
    Id. at 626.
         In
    furtherance of this cautionary language, the Court admonished that
    "nothing    in    our    opinion   should       be   taken   to    cast   doubt    on
    longstanding prohibitions on the possession of firearms by felons
    and the mentally ill, or laws forbidding the carrying of firearms
    in sensitive places such as schools and government buildings, or
    laws imposing conditions and qualifications on the commercial sale
    of arms." 
    Id. at 626-27.
    The Court added that the Second Amendment
    does not confer "a right to keep and carry any weapon whatsoever
    in any manner whatsoever and for whatever purpose."                   
    Id. at 626.
    We glean from the teachings of Heller that four data
    points determine the level of protection, if any, that the Second
    2 Although the present plaintiffs attempt to characterize the
    Act as an "absolute prohibition" on an entire class of firearms,
    that characterization is inapt. The Act applies only to a set of
    enumerated semiautomatic assault weapons, to semiautomatic assault
    weapons with particular features, and to magazines of a specific
    capacity.     Seen in this light, the plaintiffs' "absolute
    prohibition" argument is circular: essentially, it amounts to a
    suggestion that whatever group of weapons a regulation prohibits
    may be deemed a "class." By this logic — which we squarely reject
    — virtually any regulation could be considered an "absolute
    prohibition" of a class of weapons.
    - 9 -
    Amendment provides.     The first data point involves the person who
    is asserting the right; the second data point involves the purpose
    for which the right is being asserted; the third data point
    involves the place where the right is being asserted; and the
    fourth data point involves the type of weapon.              Heller's most
    meaningful message touches all four data points.          Refined to bare
    essence, its message is that the Second Amendment "elevates above
    all other interests the right of law-abiding, responsible citizens
    to use arms in defense of hearth and home."          
    Id. at 635.
    As applied here, this message checks off the first three
    data points.     It is undisputed that the individual plaintiffs are
    not   prohibited   persons   but,    rather,   law-abiding,   responsible
    citizens.     Similarly, it is undisputed that they seek to use the
    proscribed    assault   weapons   and   LCMs   for   self-defense.   And,
    finally, it is undisputed that they seek to effectuate this usage
    in their homes.     We are, therefore, left to focus on the fourth
    data point:     the arms proscribed and the extent (if at all) that
    those arms are protected by the Second Amendment.
    In conducting this inquiry, we do not write on an
    entirely pristine page.      Our recent decision in Gould v. Morgan
    mapped out a two-step approach for analyzing Second Amendment
    challenges.     See 
    907 F.3d 659
    , 668-69 (1st Cir. 2018), petition
    for cert. filed, ___ U.S.L.W. ___ (U.S. April 1, 2019) (No. 18-
    1272).   Under this approach, we first ask whether the challenged
    - 10 -
    law burdens conduct that is protected by the Second Amendment.
    See 
    id. This inquiry
    is "backward-looking" and "seeks to determine
    whether the regulated conduct 'was understood to be within the
    scope of the right at the time of ratification.'"                    
    Id. at 669
    (quoting United States v. Chester, 
    628 F.3d 673
    , 680 (4th Cir.
    2010)).       If that step is successfully negotiated so we can say
    that the challenged law "burdens conduct falling within the scope
    of the Second Amendment, [we] then must determine what level of
    scrutiny is appropriate and must proceed to decide whether the
    challenged law survives that level of scrutiny."               
    Id. We follow
    this       approach   in   determining   whether   the   Act   withstands   the
    plaintiffs' Second Amendment onslaught.
    B. The Scope of the Second Amendment Right.
    This brings us to the question of whether the conduct
    restricted by the Act falls under the protective carapace of the
    Second Amendment.           To answer this question, we must determine
    whether possession of the proscribed assault weapons and LCMs in
    the home for self-defense is safeguarded by the Second Amendment.3
    3
    One of the amici advances the clever argument that LCMs,
    like other magazines, are not "arms" at all because they are not
    themselves "[w]eapons of offense, or armour of defence." 
    Heller, 554 U.S. at 581
    (alteration in original) (quoting 1 Dictionary of
    the English Language 106 (4th ed.) (reprinted 1978)).          The
    defendants, though, have not proffered such an argument.        We
    ordinarily refuse to entertain arguments advanced by amici but not
    by the parties, see, e.g., In re Sony BMG Music Entm't, 
    564 F.3d 1
    , 3 (1st Cir. 2009); Lane v. First Nat'l Bank of Bos., 
    871 F.2d 166
    , 175 (1st Cir. 1989), and we see no reason to depart from that
    - 11 -
    Our first task is to consider whether the proscribed
    weapons are the type of arms "understood to be within the scope of
    the [Second Amendment] right at the time of ratification."                 
    Id. (quoting Chester,
    628 F.3d at 680).         Heller is the beacon by which
    we must steer.   There, the Court explained that "[t]he traditional
    militia was formed from a pool of men bringing arms 'in common use
    at the time' for lawful purposes like 
    self-defense." 554 U.S. at 624
    (quoting United States v. Miller, 
    307 U.S. 174
    , 179 (1939)).4
    The Court's earlier decision in Miller (which held that a short-
    barreled   shotgun   was   not    protected   by   the    Second    Amendment)
    furnishes further context.         
    See 307 U.S. at 175-83
    .         There, the
    Court surveyed state laws regulating militias at the time of the
    founding and explained that many states, including Massachusetts,
    had specified the types of weapons that citizens were required to
    bring to militia service.        See 
    id. at 180-82.
         The Court concluded
    prudential principle here. We note, moreover, that the parties do
    not argue that the Second Amendment analysis differs with respect
    to LCMs as opposed to semiautomatic assault weapons, and so we
    consider both objects of the Act together.
    4 Here, however, there is a wrinkle.  Because the plaintiffs'
    challenge is directed at a state statute, Gould points to 1868
    (when the Fourteenth Amendment was ratified) as the date for any
    necessary historical inquiry. 
    See 907 F.3d at 669
    . Heller, in
    contrast, does not deal with a state law and thus locates the
    benchmark at 1791 (the date of ratification of the Constitution
    itself). Since no party here has argued that this distinction is
    either material or sufficient to render Heller's analysis
    inoperative, we need not parse this distinction as "our conclusion
    with respect to the historical record would be the same regardless
    of which ratification date was used." 
    Id. at 669
    n.3.
    - 12 -
    that although "[m]ost if not all of the States have adopted
    provisions touching the right to keep and bear arms," 
    id. at 182,
    none has suggested that a short-barreled shotgun was the type of
    weapon that "could contribute to the common defense," 
    id. at 178.
    With   this    historical   background   in   place,   the   Heller   Court
    determined that the Second Amendment "extends only to certain types
    of 
    weapons." 554 U.S. at 623
    . One corollary of this determination
    is that an "important limitation on the right to keep and carry
    arms" is that "the sorts of weapons protected were those 'in common
    use at the time.'"     
    Id. at 627
    (quoting 
    Miller, 307 U.S. at 179
    ).
    The Court added that such a "limitation is fairly supported by the
    historical tradition of prohibiting the carrying of 'dangerous and
    unusual weapons.'"     
    Id. (citing 4
    William Blackstone, Commentaries
    on the Laws of England 148-49 (1769)); see 
    id. at 623
    (referencing
    "the prohibition on terrorizing people with dangerous or unusual
    weapons").
    That the proscribed weapons were not in existence, let
    alone in common use, at the time of ratification, does not end the
    matter.   Heller left no doubt that "the Second Amendment extends,
    prima facie, to all instruments that constitute bearable arms,
    even those that were not in existence at the time of the founding."
    
    Id. at 582.
        The Court reaffirmed this principle some eight years
    later, when it reversed a decision of the Massachusetts Supreme
    Judicial Court (SJC), which had held that stun guns were not
    - 13 -
    protected by the Second Amendment.           See Caetano v. Massachusetts,
    
    136 S. Ct. 1027
    , 1027-28 (2016) (per curiam).           Pertinently, the
    Caetano Court debunked the notion that stun guns were unprotected
    because they "were not in common use at the time of the Second
    Amendment's   enactment,"     
    id. at 1027
      (quoting    Commonwealth       v.
    Caetano, 
    26 N.E.3d 688
    , 693 (Mass. 2015)), finding that notion
    "inconsistent   with   Heller's      clear    statement    that    the    Second
    Amendment 'extends . . . to . . . arms that were not in existence
    at the time of the founding,'" 
    id. at 1028
    (alteration in original)
    (quoting 
    Heller, 554 U.S. at 582
    ); see 
    id. (rejecting conclusion
    "that stun guns are 'unusual' because they are 'a thoroughly modern
    invention'" (quoting 
    Caetano, 26 N.E.3d at 693-94
    )).
    Relatedly,    the    Heller     Court    acknowledged         that   "if
    weapons that are most useful in military service — M-16 rifles and
    the like — may be banned," it might be argued that "the Second
    Amendment right is completely detached from the prefatory 
    clause." 554 U.S. at 627
    .   After all, militias today "require sophisticated
    arms that are highly unusual in society at large."                
    Id. But the
    Court pointed out that "the conception of the militia at the time
    of the Second Amendment's ratification was the body of all citizens
    capable of military service, who would bring the sorts of lawful
    weapons that they possessed at home to militia duty."               
    Id. Thus, "the
    fact that modern developments have limited the degree of fit
    - 14 -
    between the prefatory clause and the protected right cannot change
    [judicial] interpretation of the right."           
    Id. at 627
    -28.
    Viewed against this backdrop, the relevant question is
    neither whether the proscribed weapons were commonly used at the
    time of ratification nor whether they are among the types of
    weapons used by today's militias. Instead, the question is whether
    the proscribed weapons are in common use for lawful purposes like
    self-defense.
    As    to   this   question,   Heller    provides   only   meager
    guidance.        Heller made plain that handguns, which the Court
    described as "the most popular weapon chosen by Americans for self-
    defense in the home," are protected.          
    Id. at 629.
         Conversely,
    "the Second Amendment does not protect those weapons not typically
    possessed by law-abiding citizens for lawful purposes, such as
    short-barreled shotguns." 
    Id. at 625.
    But as to the middle ground
    — and particularly, as to how to plot the dividing line between
    common and uncommon use — the Court was silent.5
    5 We agree with the Seventh Circuit that measuring "common
    use" by the sheer number of weapons lawfully owned is somewhat
    illogical. See Friedman v. City of Highland Park, 
    784 F.3d 406
    ,
    409 (7th Cir. 2015) ("Machine guns aren't commonly owned for lawful
    purposes today because they are illegal; semi-automatic weapons
    with large-capacity magazines are owned more commonly because,
    until recently (in some jurisdictions), they have been legal. Yet
    it would be absurd to say that the reason why a particular weapon
    can be banned is that there is a statute banning it, so that it
    isn't commonly owned.").
    - 15 -
    The parties strive mightily to fill this void.   On the
    one hand, the plaintiffs have shown that, as of 2013, nearly
    5,000,000 people owned at least one semiautomatic assault weapon.
    They also have shown that between 1990 and 2015, Americans owned
    approximately 115,000,000 LCMs.    On the other hand, the defendants
    have shown that only three percent of guns in the United States
    are assault weapons and only one percent of Americans own such a
    weapon.    In all events, the record evidence is sparse as to actual
    use of any of the proscribed weapons or LCMs for self-defense in
    the home.
    The district court avoided this question entirely.    It
    abjured the "in common use" test, concluding that "Heller . . .
    presents us with a dispositive and relatively easy inquiry:      Are
    the banned assault weapons and large-capacity magazines 'like' 'M-
    16 rifles,' i.e., 'weapons that are most useful in military
    service,' and thus outside the ambit of the Second Amendment?"
    Worman, 
    293 F. Supp. 3d
    at 264 (quoting Kolbe v. Hogan, 
    849 F.3d 114
    , 136 (4th Cir.) (en banc), cert. denied, 
    138 S. Ct. 469
    (2017)).    The court went on to find that the proscribed weapons
    fit within this taxonomy, noting by way of example that one of the
    proscribed weapons (the Colt AR-15) is virtually identical to the
    M-16 (save for the fact that the AR-15 does not allow for fully
    automatic fire).    See 
    id. at 264-66.
       The plaintiffs argue that
    this approach is doubly flawed:    they calumnize both the district
    - 16 -
    court's conclusion that "weapons that are most useful in military
    service" are excepted from Second Amendment coverage and its
    determination    that   the   proscribed   weapons   are   "like"    "M-16
    rifles."
    Mindful that "[d]iscretion is often the better part of
    valor," United States v. Gonzalez, 
    736 F.3d 40
    , 40 (1st Cir. 2013),
    we are reluctant to plunge into this factbound morass.              In the
    end, "courts should not rush to decide unsettled issues when the
    exigencies of a particular case do not require such definitive
    measures."     Privitera v. Curran (In re Curran), 
    855 F.3d 19
    , 22
    (1st Cir. 2017).     For present purposes, we simply assume, albeit
    without deciding, that the Act burdens conduct that falls somewhere
    within the compass of the Second Amendment.
    C. The Level of Scrutiny.
    The next phase of our inquiry "requires us to evaluate
    the [Act] under an appropriate level of scrutiny."           
    Gould, 907 F.3d at 670
    .     The appropriate level of scrutiny "turn[s] on how
    closely a particular law or policy approaches the core of the
    Second Amendment right and how heavily it burdens that right."
    
    Id. at 670-71.
        We previously established "that the core Second
    Amendment right is limited to self-defense in the home" on the
    part of "responsible, law-abiding individuals." 
    Id. at 671.
    Given
    this understanding, we concluded that the law challenged in Gould
    (which concerned public carriage of firearms) fell outside the
    - 17 -
    core of the Second Amendment right.        See 
    id. at 672.
      In contrast
    to the plaintiffs in Gould, the present plaintiffs contend that
    the Act affects their ability to defend themselves in their homes.
    Assuming (favorably to the plaintiffs) that the Act implicates the
    core of the Second Amendment right, we must train the lens of our
    inquiry on "how heavily it burdens that right."          
    Id. at 671.
    As is true in many Second Amendment inquiries, our
    starting point is Heller.     There, the Court unequivocally rebuffed
    the argument "that it is permissible to ban the possession of
    handguns so long as the possession of other firearms (i.e., long
    guns) is 
    allowed." 544 U.S. at 629
    .      The Court's rationale was
    based on the premise that "the American people have considered the
    handgun to be the quintessential self-defense weapon."            
    Id. In fashioning
    this rationale, the Court repeatedly emphasized the
    unique popularity of the handgun as a means of self-defense.                See
    
    id. at 628
      (calling   handguns   a   "class   of   'arms'   .     .    .
    overwhelmingly chosen by American society for [self-defense]");
    
    id. at 628
    -29 (identifying the handgun as "the most preferred
    firearm in the nation to 'keep' and use for protection of one's
    home and family"); 
    id. at 629
    (declaring that "handguns are the
    most popular weapon chosen by Americans for self-defense in the
    home").    Building on this foundation, the Court made clear that
    banning this quintessential self-defense weapon would heavily
    burden the core right of self-defense in the home.            See 
    id. at -
    18 -
    629; see also 
    id. at 632
    (describing eighteenth-century gunpowder
    storage laws and noting that such laws did "not remotely burden
    the right of self-defense as much as an absolute ban on handguns").
    This same logic leads us to conclude that the Act's
    restriction on semiautomatic assault weapons and LCMs does not
    heavily burden the core right of self-defense in the home.           As an
    initial matter, the Act does not ban all semiautomatic weapons and
    magazines.     Instead, it proscribes only a set of specifically
    enumerated     semiautomatic     assault    weapons,    magazines    of   a
    particular capacity, and semiautomatic assault weapons that have
    certain combat-style features.        Furthermore, the record shows that
    semiautomatic assault weapons do not share the features that make
    handguns well-suited to self-defense in the home.          Cf. 
    id. at 629
    (explaining that "a citizen may prefer a handgun for home defense"
    because, inter alia, "[i]t is easier to store in a location that
    is   readily   accessible   in   an   emergency;   it   cannot   easily   be
    redirected or wrestled away by an attacker; it is easier to use
    for those without the upper-body strength to lift and aim a long
    gun; it can be pointed at a burglar with one hand while the other
    hand dials the police").       Equally as important is what the record
    does not show: it offers no indication that the proscribed weapons
    have commonly been used for home self-defense purposes.           In fact,
    when asked directly, not one of the plaintiffs or their six experts
    could identify even a single example of the use of an assault
    - 19 -
    weapon for home self-defense, nor could they identify even a single
    example of a self-defense episode in which ten or more shots were
    fired.   Viewed as a whole, the record suggests that wielding the
    proscribed weapons for self-defense within the home is tantamount
    to using a sledgehammer to crack open the shell of a peanut.               Thus,
    we conclude that the Act does not heavily burden the core Second
    Amendment right of self-defense within the home.
    This conclusion fits seamlessly with our decision in
    Hightower.      Although that opinion did not directly address what
    restrictions may be deemed to heavily burden the core Second
    Amendment right, we stated that the fact that the plaintiff sought
    a   license    that    "allowed    carrying     of   large    capacity   weapons
    weaken[ed] the Second Amendment claim, as [Heller] was concerned
    with weapons of the type characteristically used to protect the
    home."   
    Hightower, 693 F.3d at 71
    (holding that revocation of
    license to carry concealed, large-capacity firearm based on false
    statements      in    renewal     application    did    not    violate    Second
    Amendment).      So, too, our conclusion is reinforced by the fact
    that — unlike the use of handguns — the use of semiautomatic
    assault weapons, even in the home, does not "implicate[] the safety
    only of those who live or visit there."              
    Gould, 907 F.3d at 672
    .
    Rather, the use of semiautomatic assault weapons implicates the
    safety of the public at large.          After all, such weapons can fire
    through walls, risking the lives of those in nearby apartments or
    - 20 -
    on the street.   Cf. 
    Kolbe, 849 F.3d at 127
    (observing that "rounds
    from assault weapons have the ability to easily penetrate most
    materials used in standard home construction, car doors, and
    similar materials").
    We have yet to consider what level of scrutiny applies
    to a law that implicates the core of the Second Amendment right,
    but does not "heavily . . . burden[] that right."           
    Gould, 907 F.3d at 671
    .    Heller   does   state   that   a    handgun   ban   would   "fail
    constitutional muster" under "any of the standards of scrutiny
    that [the Court has] applied to enumerated constitutional 
    rights." 554 U.S. at 628-29
    .      But we do not read Heller to suggest that a
    regulation of arms that only modestly burdens the core Second
    Amendment   right     must   be   subject   to    the   strictest   form   of
    constitutional review.       See 
    Gould, 900 F.3d at 673
    ("The Heller
    Court . . . implie[d] that there is a role for some level of
    scrutiny less rigorous than strict scrutiny."); see also Ezell v.
    City of Chicago, 
    651 F.3d 684
    , 708 (7th Cir. 2011) ("[A] severe
    burden on the core Second Amendment right of armed self-defense
    will require an extremely strong public-interest justification and
    a close fit between the government's means and its end. . . .
    [L]aws that merely regulate rather than restrict, and modest
    burdens on the right may be more easily justified.").
    In our view, intermediate scrutiny is appropriate as
    long as a challenged regulation either fails to implicate the core
    - 21 -
    Second Amendment right or fails to impose a substantial burden on
    that right.         See Fyock v. Sunnyvale, 
    779 F.3d 991
    , 998-99 (9th
    Cir.       2015).     It    follows    that    intermediate         scrutiny    is   the
    appropriate level of scrutiny for evaluating a law — like the Act
    — that arguably implicates the core Second Amendment right to self-
    defense in the home but places only a modest burden on that right.
    This holding aligns us with a number of our sister circuits, which
    have       applied        intermediate    scrutiny       to     laws        restricting
    semiautomatic assault weapons and LCMs.                 See, e.g., Ass'n of N.J.
    Rifle & Pistol Clubs v. Att'y Gen. N.J., 
    910 F.3d 106
    , 117 (3d
    Cir. 2018) (applying intermediate scrutiny because "[t]he Act here
    does not severely burden the core Second Amendment right to self-
    defense       in    the    home");    
    Kolbe, 849 F.3d at 134
       (applying
    intermediate scrutiny because challenged law did "not seriously
    impact a person's ability to defend himself in the home" (internal
    quotation marks omitted)); N.Y. State Rifle & Pistol Ass'n v.
    Cuomo, 
    804 F.3d 242
    , 260 (2d Cir. 2015) (applying intermediate
    scrutiny       because      "[t]he    burden      imposed      by    the     challenged
    legislation is real, but . . . not 'severe'"); Heller v. District
    of Columbia (Heller II), 
    670 F.3d 1244
    , 1262 (D.C. Cir. 2011)
    (applying intermediate scrutiny because challenged prohibition did
    not "substantially affect" individuals' right of self-defense).6
    6
    After we heard oral argument in this case, the Illinois
    Supreme Court held that a law prohibiting the carrying of tasers
    - 22 -
    Consequently,      we   proceed   to   apply      intermediate   scrutiny   to
    determine whether the Act passes constitutional muster.
    D. Applying Intermediate Scrutiny.
    To survive intermediate scrutiny, a statute "must be
    substantially related to an important governmental objective."
    
    Gould, 907 F.3d at 672
    (quoting Clark v. Jeter, 
    486 U.S. 456
    , 461
    (1988)).    To achieve this substantial relationship, there must be
    a "reasonable fit" between the restrictions imposed by the law and
    the government's valid objectives, "such that the law does not
    burden more conduct than is reasonably necessary."                
    Id. at 674
    (quoting Drake v. Filko, 
    724 F.3d 426
    , 436 (3d Cir. 2013)).
    The law that the plaintiffs challenge here — the Act —
    restricts    the    sale,    transfer,      and     possession   of   certain
    semiautomatic assault weapons and LCMs.             See Mass. Gen. Laws ch.
    140, §§ 121, 131M.          It does not ban the sale, transfer, or
    possession of all semiautomatic weapons, nor does it impose any
    restrictions on magazines that are designed to hold ten rounds or
    and stun guns was a "categorical ban" and, thus, was "facially
    unconstitutional under the [S]econd [A]mendment."     Illinois v.
    Webb, ___ N.E. 3d ___, ___ (Ill. 2019) [
    2019 WL 1291586
    at *5].
    The plaintiffs notified us of this decision pursuant to Federal
    Rule of Appellate Procedure 28(j), asserting that it "provides
    further support for [their] argument that a categorical ban on
    bearable arms that are commonly kept for lawful purposes is per se
    unconstitutional." We reject the plaintiffs' premise that the Act
    is a categorical ban, see supra note 2, and disagree with the
    Illinois Supreme Court's conclusion that any law that restricts a
    certain type of arms is per se unconstitutional.
    - 23 -
    fewer.    The Act's manifest purpose is to "help keep the streets
    and neighborhoods of Massachusetts safe" by "mak[ing] it harder
    for criminals to get their hands on these dangerous guns."
    We have said before, and today reaffirm, that "few
    interests are more central to a state government than protecting
    the safety and well-being of its citizens."                 
    Gould, 907 F.3d at 673
    .    Since Massachusetts indubitably "has compelling governmental
    interests in both public safety and crime prevention," 
    id., the only
    question that remains is whether the Act is substantially
    related to those interests.             The answer to this question depends
    on   whether     the    fit   between    those    interests   and   the   Act   is
    reasonable.      See 
    id. at 674.
    In    our    view,   the     Act     survives   under   intermediate
    scrutiny. This view comports with the unanimous weight of circuit-
    court authority analyzing Second Amendment challenges to similar
    laws.    See, e.g., Ass'n of N.J. Rifle & Pistol 
    Clubs, 910 F.3d at 122
    ; 
    Kolbe, 849 F.3d at 139
    ; N.Y. State Rifle & Pistol 
    Ass'n, 804 F.3d at 261
    ; Heller 
    II, 670 F.3d at 1262
    .
    The record contains ample evidence of the unique dangers
    posed by the proscribed weapons.               Semiautomatic assault weapons
    permit a shooter to fire multiple rounds very quickly, allowing
    him to hit more victims in a shorter period of time.                        LCMs
    exacerbate this danger, allowing the shooter to fire more bullets
    without stopping to reload.              Cf. Heller 
    II, 670 F.3d at 1264
    - 24 -
    (noting that "the 2 or 3 second pause during which a criminal
    reloads his firearm can be of critical benefit to law enforcement"
    (internal     quotation    marks   omitted)).      It     is,   therefore,     not
    surprising that AR-15s equipped with LCMs have been the weapons of
    choice in many of the deadliest mass shootings in recent history,
    including horrific events in Pittsburgh (2018), Parkland (2018),
    Las   Vegas    (2017),    Sutherland    Springs   (2017),       Orlando    (2016),
    Newtown (2012), and Aurora (2012).
    The record also contains the affidavit of a seasoned
    trauma surgeon, who has treated victims of several mass shootings.
    This affidavit confirms what common sense suggests:                  semiautomatic
    assault weapons cause wounds that "tend to be higher in complexity
    with higher complication rates than those injuries from non-
    assault weapons.         They tend to cause far greater damage to the
    muscles, bones, soft tissue, and vital organs."             Cf. Panagiotis K.
    Stefanopoulos, et al., Gunshot Wounds:                 A Review of Ballistics
    Related to Penetrating Trauma, 3 J. Acute Disease 178, 181-82
    (2014). A number of articles, written by physicians who have cared
    for assault-weapon victims, substantiate the extreme damage that
    such weapons are prone to cause.           See, e.g., Gina Kolata & C.J.
    Chivers, Wounds from Military-Style Rifles?               'A Ghastly Thing to
    See',           N.Y.          Times            (Mar.            4,          2018),
    https://www.nytimes.com/2018/03/04/health/parkland-shooting-
    victims-ar15.html ("The tissue destruction is almost unimaginable.
    - 25 -
    Bones are exploded, soft tissue is absolutely destroyed.                 The
    injuries to the chest or abdomen — it's like a bomb went off.");
    Tim Craig et al., As the Wounded Kept Coming, Hospitals Dealt with
    Injuries   Rarely   Seen   in   U.S.,   Wash.    Post     (Oct.   3,   2017),
    https://www.washingtonpost.com/national/health-science/as-the-
    wounded-kept-coming-hospitals-dealt-with-injuries-rarely-seen-
    in-the-us/2017/10/03/06210b86-a883-11e7-b3aa-
    c0e2e1d41e38_story.html?utm_term=.5a659eec267b ("If a 9mm bullet
    strikes someone in the liver . . . that person might suffer a wound
    perhaps an inch wide, . . . [b]ut if you're struck in the liver
    with an AR-15, it would be like dropping a watermelon onto the
    cement.    It just is disintegrated." (internal quotation marks
    omitted)).
    The defendants proffered evidence that the majority of
    individuals who have perpetrated mass shootings obtain their semi-
    automatic assault weapons legally.        See, e.g., Larry Buchanan et
    al., How They Got Their Guns, N.Y. Times (updated Feb. 16, 2018),
    https://www.nytimes.com/interactive/2015/10/03/us/how-mass-
    shooters-got-their-guns.html;      Mayors       Against     Illegal    Guns,
    Analysis of Recent Mass Shootings (2013).           This evidence lends
    support to the legislature's conclusion that a law proscribing
    semiautomatic assault weapons and LCMs — like the Act — will help
    curtail outbreaks of mass violence.
    - 26 -
    The plaintiffs do not dispute the extensive evidence
    regarding the lethality of the proscribed weapons and the frequency
    of their use in mass shootings.            Instead, they argue that "[e]ven
    assuming the [Act] may curb criminal misuse of the Banned Firearms
    and Magazines," the Act fails intermediate scrutiny because it
    "make[s] no exception for law-abiding, responsible citizens to
    keep these arms for lawful purposes like self-defense in the home."
    According to the plaintiffs, the forbidden assault weapons and
    LCMs are "ideal" for domestic self-defense for many of the same
    reasons that such weapons are ideal for mass shootings — they are
    easier to hold and shoot, require less user accuracy, and allow a
    shooter to fire many times without reloading. Thus, the plaintiffs
    assert,    any     regulation     prohibiting       law-abiding,   responsible
    citizens from possessing such weapons sweeps too broadly.
    This assertion is too facile by half, and we reject it.
    Although we acknowledge that "[i]n dealing with a complex societal
    problem like gun violence, there will almost always be room for
    reasonable minds to differ about the optimal solution," 
    Gould, 907 F.3d at 676
    , the plaintiffs give unduly short shrift to "the
    legislature's prerogative . . . to weigh the evidence, choose among
    conflicting inferences, and make the necessary policy judgments,"
    
    id. The role
    of a reviewing court is limited to ensuring "that,
    in    formulating    its      judgments,     [the   legislature]   has    drawn
    reasonable       inferences     based   on    substantial    evidence,"     
    id. - 27
    -
    (alteration in original) (quoting Turner Broad. Sys., Inc. v. FCC,
    
    512 U.S. 622
    , 666 (1994) (opinion of Kennedy, J.)), and that "the
    fit between the asserted governmental interests and the means
    chosen to advance them is close enough to pass intermediate
    scrutiny," 
    id. at 674.
    Here, the Massachusetts legislature's conclusion that
    the   Commonwealth's    legitimate   interests     are    best    served   by
    proscribing    semiautomatic   assault   weapons    and    LCMs    rests   on
    substantial (although not incontrovertible) evidence regarding the
    inordinate dangers associated with the proscribed weapons.             What
    is more, it strains credulity to argue that the fit between the
    Act and the asserted governmental interest is unreasonable.            As we
    have said, the Act does not outlaw all semiautomatic firearms and
    magazines.     Nor does it circumscribe in any way the fundamental
    right of law-abiding, responsible citizens to possess handguns in
    their homes for self-defense.     Accordingly, we hold that although
    the Act may well "touch[] the right to keep and bear arms," 
    Miller, 307 U.S. at 182
    , it does not impermissibly intrude upon that right
    because it withstands intermediate scrutiny.
    III. CONCLUSION
    This case concerns an issue of paramount importance.          In
    the wake of increasingly frequent acts of mass violence committed
    with semiautomatic assault weapons and LCMs, the interests of state
    and local governments in regulating the possession and use of such
    - 28 -
    weapons are entitled to great weight.         Even so, we recognize that
    such interests must be balanced against the time-honored right of
    individuals    to   bear   arms   in   self-defense      —    a    right   that   is
    protected in varying degrees by the Second Amendment.
    Holding    this   delicate    balance    steady        and    true   is
    difficult but necessary work.          Here, we find that even if the Act
    implicates the core of the Second Amendment right, it (at most)
    minimally burdens that right.           Consequently, we are obliged to
    cede some degree of deference to the decision of the Massachusetts
    legislature about how best to regulate the possession and use of
    the proscribed weapons.
    In this instance, that decision rests on a web of
    compelling    governmental     interests,    and   the       fit   between   those
    interests and the restrictions imposed by the Act is both close
    and reasonable.        It follows that the Act withstands intermediate
    scrutiny — and no more is exigible to blunt the plaintiffs' Second
    Amendment challenge.
    We need go no further. For the reasons elucidated above,
    the judgment of the district court is
    Affirmed.
    - 29 -