SECTION 1.  Section 131L of chapter 140 of the General Laws, as appearing in the 2008 Official Edition,  is hereby amended by striking out subsection (a) and inserting in place thereof the following subsection:-

(a)     (1) It shall be unlawful to store or keep any firearm, rifle or shotgun including, but not limited to, large capacity weapons, or machine gun in any place unless such weapon is secured in a locked container or equipped with a tamper-resistant mechanical lock or other safety device, properly engaged so as to render such weapon inoperable by any person other than the owner or other lawfully authorized user. For purposes of this section, such weapon shall not be deemed stored or kept if carried by or under the control of the owner or other lawfully authorized user.

(2) It shall be unlawful to store more than 5 firearms, rifles, shotguns, machine guns, or any combination of such weapons unless such weapons are secured in a locked safe or vault.  It shall be unlawful to store more than 10 firearms, rifles, shotguns, machine guns, or any combination