Here is the actual wording of the Senate Bill. There is no mention of maintenance of guns or magazine capacity. This Bill is better than House/ Rep Linsky (D- Natick, MA) version. I received this from Senator Eric Lessers Office today.
SENATE . . . . . . . . . . . . . . No. 2194
Senate, October 26, 2017 — Text of the Senate amendment (Senator Spilka) to the House Bill
making appropriations for the fiscal year 2017 to provide for supplementing certain existing
appropriations and for certain other activities and projects (House, No. 3979)
The Commonwealth of Massachusetts
In the One Hundred and Ninetieth General Court
SECTION 18. Section 121 of chapter 140 of the General Laws, as so appearing, is hereby
237 amended by inserting after the word “gun”, in line 100, the following words:- ; provided,
238 however, that “machine gun” shall include bump stocks and trigger cranks.
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239 SECTION 19. Said section 121 of said chapter 140, as so appearing, is hereby amended
240 by inserting after the definition of “Assault weapon” the following definition:-
241 “Bump stock”, any device for a semiautomatic firearm that increases the rate of fire
242 achievable with such firearm by using energy from the recoil of the firearm to generate a
243 reciprocating action that facilitates repeated activation of the trigger.
244 SECTION 20. Said section 121 of said chapter 140, as so appearing, is hereby amended
245 by inserting after the definition of “Shotgun” the following definition:-
246 “Trigger crank”, any device to be attached to a semiautomatic firearm that repeatedly
247 activates the trigger of the firearm through the use of a lever or other part that is turned in a
248 circular motion; provided, however, that “trigger crank” shall not include any firearm initially
249 designed and manufactured to fire through the use of a crank or lever.
250 SECTION 21. Paragraph (o) of section 131 of said chapter 140, as so appearing, is
251 hereby amended by adding the following sentence:- Clauses (i) and (ii) of this paragraph shall
252 not apply to bump stocks and trigger cranks as defined in section 121.