Franklin Armory BFSIII CZ S1 Induce Operation:Secure –Won't hearth.Semi – Fires one spherical per pull.Binary – Fires 1 round on pull and 1 spherical on launch.* Ambidextrous Protection Selector.Will Suit most CZ Scorpion firearmsAmbidextrous Basic safety SelectorLaunch spherical may be canceled by simply relocating our Patented selector away