Franklin Armory BFSIII CZ S1 Cause Procedure:Protected –Will not likely hearth.Semi – Fires 1 spherical per pull.Binary – Fires one round on pull and 1 spherical on release.* Ambidextrous Basic safety Selector.Will Fit most CZ Scorpion firearmsAmbidextrous Safety SelectorLaunch round might be canceled by just shifting our Patented selector aw