2025 to 2026 Legislature · State Senate bill

SB 332

Relating to: prohibition against undetectable firearms, possessing a frame or receiver of a firearm without a serial number, and providing a penalty.

In committee Last action March 23, 2026: Failed to pass pursuant to Senate Joint Resolution 1

Official bill page and text: docs.legis.wisconsin.gov

Sponsors 12

Prime sponsors

Carpenter, Dassler-Alfheim, Drake, Habush Sinykin, Hesselbein, Keyeski, L. Johnson, Larson, Ratcliff, Roys, Smith, Spreitzer

Status

In committee as of March 23, 2026. The 2025 to 2026 Legislature serves until the 2027 Legislature convenes on January 4, 2027.

Referred to: Senate Licensing, Regulatory Reform, State and Federal Affairs (from the official referral record)

Roll-call votes 0

No roll-call votes recorded for this measure.

Timeline 6

Date	Chamber	Action
March 23, 2026	Senate	Failed to pass pursuant to Senate Joint Resolution 1
January 9, 2026	Senate	Representative J. Jacobson added as a cosponsor
September 23, 2025	Senate	Representative McCarville added as a cosponsor
September 10, 2025	Senate	Representative Billings added as a cosponsor
June 19, 2025	Senate	Read first time and referred to Committee on Licensing, Regulatory Reform, State and Federal Affairs
June 19, 2025	Senate	Introduced by Senators Hesselbein, L. Johnson, Larson, Roys, Dassler-Alfheim, Drake, Habush Sinykin, Keyeski, Ratcliff, Smith, Spreitzer and Carpenter; cosponsored by Representatives Joers, Fitzgerald, Subeck, Hong, Andraca, Stubbs, Vining, Clancy, Arney, Bare, Brown, Cruz, DeSmidt, Emerson, Goodwin, Hysell, Haywood, Johnson, Kirsch, Mayadev, Miresse, Moore Omokunde, Neubauer, Palmeri, Prado, Rivera-Wagner, Roe, Sheehan, Sinicki, Snodgrass, Stroud, Taylor, Tenorio and Udell

Data: Open States (bulk data, October 1, 2026 monthly extract, which has no roll-call tallies; public data, attribution appreciated). Official record: docs.legis.wisconsin.gov. Bill pages link to the official text, not copied.