Franklin Armory BFSIII CZ S1 Trigger Procedure:Safe –Will not hearth.Semi – Fires 1 spherical per pull.Binary – Fires 1 round on pull and 1 spherical on launch.* Ambidextrous Safety Selector.Will Healthy most CZ Scorpion firearmsAmbidextrous Security SelectorRelease spherical can be canceled simply by shifting our Patented selector away from