Franklin Armory BFSIII CZ S1 Result in Procedure:Safe –Will never fire.Semi – Fires 1 round for each pull.Binary – Fires one round on pull and 1 spherical on release.* Ambidextrous Basic safety Selector.Will Suit most CZ Scorpion firearmsAmbidextrous Security SelectorLaunch round can be canceled simply by moving our Patented selector out of B