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

Microstamping: The Unreliable Attempt to Tie Spent Cartridge - Guns and Ammo

Federal Court Rules Against CA Micro-Stamping Requirement « Daily Bulletin

California Proposal Seeks to Boost 'Microstamping' of Bullet Casings

Microstamping Law Now Requires Stamp on Pistol Parts - USA Carry

California's gun control laws under scrutiny - CalMatters

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

What is ammunition microstamping? Monroe Crime Lab explains

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

California Lawmakers Move to Force 'Microstamping' on Gun Industry

California Lawmakers Target Gunmakers, Ghost Guns In Bills - CBS Sacramento