Franklin Armory BFSIII CZ S1 Set off Operation:Harmless –Won't fireplace.Semi – Fires 1 round for each pull.Binary – Fires 1 spherical on pull and 1 spherical on release.* Ambidextrous Protection Selector.Will Healthy most CZ Scorpion firearmsAmbidextrous Security SelectorLaunch round is usually canceled simply by shifting our Patented select