Franklin Armory BFSIII CZ S1 Set off Procedure:Safe –Is not going to hearth.Semi – Fires 1 spherical for each pull.Binary – Fires 1 spherical on pull and one round on release.* Ambidextrous Security Selector.Will Fit most CZ Scorpion firearmsAmbidextrous Security SelectorRelease round is usually canceled by simply relocating our Patented sele