LRB-4820/1
CMH:cjs
2021 - 2022 LEGISLATURE
October 20, 2021 - Introduced by Senators Agard, Johnson, Roys, Larson and
Ballweg, cosponsored by Representatives Hong, Conley, Hebl, Cabrera,
Andraca, Considine, Neubauer, Pope, Hesselbein, Ohnstad, Stubbs,
Spreitzer and Anderson. Referred to Committee on Judiciary and Public
Safety.
SB656,1,3 1An Act to amend 941.29 (1g) (a), 941.291 (1) (b) and 973.123 (1); and to create
2941.285 of the statutes; relating to: prohibiting firearm accessories that
3accelerate the rate of fire of a semiautomatic firearm and providing a penalty.
Analysis by the Legislative Reference Bureau
This bill prohibits the sale, manufacture, transfer, use, and possession of any
device that is added after manufacture that is designed or functions to accelerate the
rate of fire of a semiautomatic firearm. A person who violates the prohibition is guilty
of a Class G felony.
Because this bill creates a new crime or revises a penalty for an existing crime,
the Joint Review Committee on Criminal Penalties may be requested to prepare a
report.
The people of the state of Wisconsin, represented in senate and assembly, do
enact as follows:
SB656,1 4Section 1. 941.285 of the statutes is created to read:
SB656,2,2 5941.285 Possession of firearm accessories that accelerate the rate of
6fire. (1)
No person may import, sell or offer to sell, purchase, manufacture, transfer,
7use, or possess a trigger crank, a bump-fire device, or any part, combination of parts,

1component, device, attachment, or accessory that is added after manufacture that is
2designed or functions to accelerate the rate of fire of a semiautomatic firearm.
SB656,2,3 3(2) Any person violating sub. (1) is guilty of a Class G felony.
SB656,2,6 4(3) Subsection (1) does not apply to importation, sale, purchase, manufacture,
5transfer, use, or possession by or under the authority of the federal government or
6a state or local government.
SB656,2 7Section 2. 941.29 (1g) (a) of the statutes, as affected by 2021 Wisconsin Act 76,
8is amended to read:
SB656,2,169 941.29 (1g) (a) “Violent felony" means any felony under s. 943.23 (1m), 1999
10stats., or s. 943.23 (1r), 1999 stats., this section, or s. 940.01, 940.02, 940.03, 940.05,
11940.06, 940.08, 940.09, 940.10, 940.19, 940.195, 940.198, 940.20, 940.201, 940.203,
12940.21, 940.225, 940.23, 940.235, 940.285 (2), 940.29, 940.295 (3), 940.30, 940.302,
13940.305, 940.31, 940.43 (1) to (3), 940.45 (1) to (3), 941.20, 941.26, 941.28, 941.285,
14941.2905, 941.292, 941.30, 941.327 (2) (b) 3. or 4., 943.02, 943.04, 943.06, 943.10 (2),
15943.23 (1g), 943.32, 943.87, 946.43, 948.02 (1) or (2), 948.025, 948.03, 948.04, 948.05,
16948.051, 948.06, 948.07, 948.08, 948.085, or 948.30.
SB656,3 17Section 3. 941.291 (1) (b) of the statutes, as affected by 2021 Wisconsin Act 76,
18is amended to read:
SB656,3,419 941.291 (1) (b) “Violent felony" means any felony, or the solicitation, conspiracy,
20or attempt to commit any felony, under s. 943.23 (1m) or (1r), 1999 stats., or s. 940.01,
21940.02, 940.03, 940.05, 940.06, 940.08, 940.09, 940.10, 940.19, 940.195, 940.198,
22940.20, 940.201, 940.203, 940.21, 940.225, 940.23, 940.285 (2), 940.29, 940.295 (3),
23940.30, 940.305, 940.31, 940.43 (1) to (3), 940.45 (1) to (3), 941.20, 941.26, 941.28,
24941.285, 941.29, 941.30, 941.327, 943.01 (2) (c), 943.011, 943.013, 943.02, 943.04,
25943.06, 943.10 (2), 943.23 (1g), 943.32, 943.81, 943.82, 943.83, 943.85, 943.86,

1943.87, 943.88, 943.89, 943.90, 946.43, 947.015, 948.02 (1) or (2), 948.025, 948.03,
2948.04, 948.05, 948.06, 948.07, 948.08, 948.085, or 948.30; or, if the victim is a
3financial institution, as defined in s. 943.80 (2), a felony, or the solicitation,
4conspiracy, or attempt to commit a felony under s. 943.84 (1) or (2).
SB656,4 5Section 4. 973.123 (1) of the statutes, as affected by 2021 Wisconsin Act 76,
6is amended to read:
SB656,3,147 973.123 (1) In this section, “violent felony" means any felony under s. 943.23
8(1m), 1999 stats., or s. 943.23 (1r), 1999 stats., or s. 940.01, 940.02, 940.03, 940.05,
9940.06, 940.08, 940.09, 940.10, 940.19, 940.195, 940.198, 940.20, 940.201, 940.203,
10940.21, 940.225, 940.23, 940.235, 940.285 (2), 940.29, 940.295 (3), 940.30, 940.302,
11940.305, 940.31, 940.43 (1) to (3), 940.45 (1) to (3), 941.20, 941.26, 941.28, 941.285,
12941.29, 941.292, 941.30, 941.327 (2) (b) 3. or 4., 943.02, 943.04, 943.06, 943.10 (2),
13943.23 (1g), 943.32, 943.87, 946.43, 948.02 (1) or (2), 948.025, 948.03, 948.04, 948.05,
14948.051, 948.06, 948.07, 948.08, 948.085, or 948.30.
SB656,5 15Section 5 . Nonstatutory provisions.
SB656,3,1816 (1) Notwithstanding s. 941.285, no person may be subject to a penalty for
17violating s. 941.285 (1) with regard to the possession of any device prohibited under
18that section for the first 180 days after the effective date of this subsection.
SB656,3,1919 (End)
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