A semiautomatic rifle is a type of firearm that shoots one bullet each time the trigger is pulled without needing to manually load another bullet into the chamber. Full definition
A customer holding an AR -15-style semiautomatic rifle at an Orem, Utah, gun store. (nytimes.com)
The 18 - year - old senior was inside building 12's classroom 1214 when former student Nikolas Cruz, whom authorities said confessed to the shooting, started to fire his AR - 15 semiautomatic rifle at classrooms 1215 and 1216. (local10.com)
A bill requiring ammunition background checks was also signed, and another banning the sale of semiautomatic rifles equipped with bullet buttons. (lawyer-monthly.com)