Franklin Armory BFSIII CZ S1 Bring about Procedure:Harmless –Will not hearth.Semi – Fires one round for each pull.Binary – Fires one round on pull and 1 spherical on release.* Ambidextrous Security Selector.Will Fit most CZ Scorpion firearmsAmbidextrous Security SelectorRelease spherical may be canceled simply by going our Patented selector f