Franklin Armory BFSIII CZ S1 Cause Procedure:Safe –Will likely not fire.Semi – Fires one spherical per pull.Binary – Fires 1 spherical on pull and one spherical on release.* Ambidextrous Basic safety Selector.Will Match most CZ Scorpion firearmsAmbidextrous Basic safety SelectorLaunch spherical can be canceled simply by going our Patented sel