The Uzi has 3 modes of fireplace: Harmless, SEMI, and Car. It fires from an open bolt; In the event the bolt is closed to the chamber, the weapon won't fireplace. Like the M1911, it encompasses a grip security, which should be frustrated ahead of the weapon is often fired. https://waylonhxbcb.blazingblog.com/31037711/not-known-factual-statements-about-glock-g19x