Franklin Armory BFSIII CZ S1 Trigger Operation:Safe –Will never hearth.Semi – Fires 1 spherical for every pull.Binary – Fires 1 round on pull and 1 spherical on launch.* Ambidextrous Safety Selector.Will Healthy most CZ Scorpion firearmsAmbidextrous Safety SelectorLaunch spherical might be canceled by just relocating our Patented selector out