A Man Test-Fires a Smith & Wesson M&P .40-Caliber Handgun

A Man Test-Fires a Smith & Wesson M&P .40-Caliber Handgun

JB Reed/Bloomberg

A man test-fires a Smith & Wesson M&P .40-caliber handgun. California is the first to bar retailers from selling new models of semiautomatic handguns not equipped to imprint the weapon’s make, model and serial number on the cartridge when a bullet is fired.