Be it enacted by the Senate and House of Representatives
in General Court assembled, and by the authority of the same,
as follows:
Section 10A of chapter 269 of the General Laws, as appearing in the 1988 Official Edition, is hereby amended by striking out the first sentence and inserting in place thereof the following two sentences:- Any person, other than a federally licensed firearms manufacturer, an authorized agent of the Massachusetts criminal justice training council, or a duly authorized sworn law enforcement officer while acting within the scope of official duties and under the direct authorization of the police chief or his designee, or the commissioner of public safety, who sells or keeps for sale, or offers, or gives or disposes of by any means other than submitting to an authorized law enforcement agency, or uses or possesses any instrument, attachment, weapon or appliance for causing the firing of any gun, revolver, pistol or other firearm to be silent or intended to lessen or muffle the noise of the firing of any gun, revolver, pistol or other firearm shall be punished by imprisonment for not more than five years in state prison or for not more than two and one-half years in a jail or house of correction. Nothing contained herein shall be construed to prohibit a federally licensed firearms manufacturer from selling such instrument, attachment, weapon or appliance to authorized law enforcement agencies for law enforcement purposes or to the Massachusetts criminal training council for law enforcement training.