Franklin Armory BFSIII CZ S1 Result in Procedure:Harmless –Will not hearth.Semi – Fires 1 spherical for every pull.Binary – Fires 1 spherical on pull and 1 round on launch.* Ambidextrous Protection Selector.Will Fit most CZ Scorpion firearmsAmbidextrous Safety SelectorRelease spherical is often canceled simply by moving our Patented selector