California's one feature test
Cal. Penal Code §§ 30510, 30515
“A semiautomatic, centerfire rifle that does not have a fixed magazine but has any one of the following: (A) A pistol grip that protrudes conspicuously beneath the action of the weapon.”
California bans assault weapons by a named list (§ 30510) and by features (§ 30515): a rifle without a fixed magazine fails with any one of a pistol grip, thumbhole stock, folding or telescoping stock, launcher, flash suppressor or forward grip. A district court struck the ban in Miller v. Bonta in 2023, but the Ninth Circuit stayed that ruling, so it is enforced while the Supreme Court hears Grant v. Higgins.



