Wisconsin · 2025-2026 Regular Session · Bill

AB 321: Relating to: prohibition against undetectable firearms, possessing a frame or receiver of a firearm without a serial number, and providing a penalty.

Did not advance Last action March 23, 2026: Failed to pass pursuant to Senate Joint Resolution 1

Plain-language summary

AB 321 is a bill introduced in the Wisconsin House on July 8, 2025. According to its official title, it concerns: Relating to: prohibition against undetectable firearms, possessing a frame or receiver of a firearm without a serial number, and providing a penalty. Primary sponsor: Alex Joers (Democratic), Joan Fitzgerald (Democratic), Lisa Subeck (Democratic), Francesca Hong (Democratic), Deb Andraca (Democratic), Shelia Stubbs (Democratic), Robyn Vining (Democratic), Ryan Clancy (Democratic), Margaret Arney (Democratic), Mike Bare (Democratic), Brienne Brown (Democratic), Angelina Cruz (Democratic), Ben DeSmidt (Democratic), Jodi Emerson (Democratic), Russell Goodwin (Democratic), Andrew Hysell (Democratic), Kalan Haywood (Democratic), Tara Johnson (Democratic), Karen Kirsch (Democratic), Renuka Mayadev (Democratic), Vinnie Miresse (Democratic), Supreme Moore Omokunde (Democratic), Greta Neubauer (Democratic), Lori Palmeri (Democratic), Priscilla Prado (Democratic), Amaad Rivera-Wagner (Democratic), Ann Roe (Democratic), Joe Sheehan (Democratic), Christine Sinicki (Democratic), Lee Snodgrass (Democratic), Angela Stroud (Democratic), Sequanna Taylor (Democratic), Angelito Tenorio (Democratic), Randy Udell (Democratic). It lists 12 additional sponsors. Most recent recorded action (March 23, 2026): Failed to pass pursuant to Senate Joint Resolution 1.

Sponsors

Primary sponsors: Alex Joers (Democratic); Joan Fitzgerald (Democratic); Lisa Subeck (Democratic); Francesca Hong (Democratic); and 30 more. 12 co-sponsors.