Franklin Armory BFSIII CZ S1 Bring about Operation:Protected –Will not hearth.Semi – Fires 1 round for each pull.Binary – Fires one round on pull and 1 spherical on launch.* Ambidextrous Security Selector.Will Fit most CZ Scorpion firearmsAmbidextrous Safety SelectorRelease round might be canceled simply by relocating our Patented selector aw