Franklin Armory BFSIII CZ S1 Set off Procedure:Safe and sound –Will likely not fireplace.Semi – Fires one round for each pull.Binary – Fires 1 spherical on pull and 1 round on release.* Ambidextrous Basic safety Selector.Will Fit most CZ Scorpion firearmsAmbidextrous Security SelectorLaunch spherical could be canceled by simply moving our Pat