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

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

Code on Shell Casings Sparks a Gun Debate - The New York Times

One state (CA) requires guns built after a certain year to include microstamping which does not exist in a real way and may never exist. What level of impact would microstamping have

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

Is the Chiappa Rhino .357 restricted in California? If so, why? - Quora

Smart Gun' Inventor Explains Why He's Trying to Get a California Gun Control Law Struck Down : r/progun

Gun manufacturers Smith & Wesson and Ruger say they won't sell in California because of new stamping requirement that will help law enforcement track which gun bullets were fired from : r/news

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