Franklin Armory BFSIII CZ S1 Result in Operation:Safe –Will likely not fire.Semi – Fires 1 spherical for every pull.Binary – Fires one spherical on pull and 1 round on release.* Ambidextrous Basic safety Selector.Will Fit most CZ Scorpion firearmsAmbidextrous Security SelectorRelease round is usually canceled by just shifting our Patented sel