Franklin Armory BFSIII CZ S1 Set off Operation:Safe and sound –Will likely not hearth.Semi – Fires one round for every pull.Binary – Fires 1 spherical on pull and 1 spherical on release.* Ambidextrous Protection Selector.Will Suit most CZ Scorpion firearmsAmbidextrous Security SelectorLaunch spherical might be canceled by just moving our Pate