California lawmakers seek to force gunmakers to 'microstamp' bullet casings, US gun control

Advocates seek enforcement of 2007 measure that would link casings to the guns that fired them

California Democrats misfired by taxing guns and ammo - Los Angeles Times

California city declares itself a gun 'sanctuary' in rebuke to liberal laws, California

Why California's 'strong' gun laws are in danger

Firearm Microstamping Bill Signed By Gov. Newsom – California Globe

California lawmakers seek to force gunmakers to 'microstamp' bullet casings, US gun control

US appeals court prevents California from banning guns in most public places

Should ammo companies allow law enforcement to imprint microscopic serial numbers and other identifying information on the insides of cartridges in order to trace the purchase? - Quora

Hochul pushes NY to ban residents under 21 from buying certain guns

California microstamping: here we go again

New push in NY to force gunmakers to adopt microstamping, News

CA Governor Signs Anti-2A Law Requiring Unworkable Microstamping Technology for New Guns, AB 2847

Gun Control: New Push in NY to Force Gunmakers to Adopt Microstamping – NBC New York

New York enacts microstamping gun law in push to change how firearms are made

Federal judge blocks key parts of California handgun law

New push in NY to force gunmakers to adopt microstamping - New York Amsterdam News