Franklin Armory BFSIII CZ S1 Bring about Procedure:Safe and sound –Will likely not fireplace.Semi – Fires 1 spherical per pull.Binary – Fires one round on pull and 1 spherical on launch.* Ambidextrous Protection Selector.Will Fit most CZ Scorpion firearmsAmbidextrous Safety SelectorLaunch spherical could be canceled simply by going our Patent