Likely Impact: Anti-Gun
Sponsor(s): Sen. Schiff, Adam (D – CA)
Notes: This bill has 42 cosponsors.
S. 1531 has been introduced for the 119th Congress (2025 – 2026) as the “Assault Weapons” Ban Act.
Summary of Legislation:
“A bill to regulate assault weapons, to ensure that the right to keep and bear arms is not unlimited, and for other purposes.” The bill aims to regulate everyday firearms and accessories used by gun owners.
The bill could be rendered completely useless if the U.S. Supreme Court sides with gun owners in a major case expected next summer.
Bill Status:
Introduced and referred to the Senate Judiciary Committee. No action has been taken by the committee as of July 8, 2026.
Sponsor/Cosponsor Information:
The bill’s main sponsor is Rep. Adam Schiff (D – California). It has 42 additional cosponsors, 40 of whom are original. All cosponsors are Democrats, except one Independent.
List of cosponsors as of July 8, 2026:
Democrats – Listed alphabetically by last name.
Sen. Alsobrooks, Angela D. [MD]
Sen. Baldwin, Tammy [WI]
Sen. Bennet, Michael F. [CO]
Sen. Blumenthal, Richard [CT]
Sen. Blunt Rochester, Lisa [DE]
Sen. Booker, Cory A. [NJ]
Sen. Cantwell, Maria [WA]
Sen. Coons, Christopher A. [DE]
Sen. Duckworth, Tammy [IL]
Sen. Durbin, Richard J. [IL]
Sen. Fetterman, John [PA]
Sen. Gallego, Ruben [AZ]
Sen. Gillibrand, Kirsten E. [NY]
Sen. Hassan, Margaret Wood [NH]
Sen. Hickenlooper, John W. [CO]
Sen. Hirono, Mazie K. [HI]
Sen. Kaine, Tim [VA]
Sen. Kim, Andy [NJ]
Sen. Klobuchar, Amy [MN]
Sen. Lujan, Ben Ray [NM]
Sen. Markey, Edward J. [MA]
Sen. Merkley, Jeff [OR]
Sen. Murphy, Christopher [CT]
Sen. Murray, Patty [WA]
Sen. Ossoff, Jon [GA]
Sen. Padilla, Alex [CA]
Sen. Peters, Gary C. [MI]
Sen. Reed, Jack [RI]
Sen. Rosen, Jacky [NV]
Sen Schatz, Brian [HI]
Sen. Schumer, Charles E. [NY]
Sen. Shaheen, Jeanne [NH]
Sen. Slotkin, Elissa [MI]
Sen. Smith, Tina [MN]
Sen. Van Hollen, Chris [MD]
Sen. Warner, Mark R. [VA]
Sen. Warnock, Raphael G. [GA]
Sen. Warren, Elizabeth [MA]
Sen. Welch, Peter [VT]
Sen. Whitehouse, Sheldon [RI]
Sen. Wyden, Ron [OR]
Independents – Listed alphabetically by last name.
Sen. Sanders, Bernard [VT]