The CZ Scorpion Evo 3 S1 Pistol is a semi-auto pistol-classified version of the CZ Scorpion submachine gun, featuring a 7.72-inch barrel and folding brace. One of the most popular pistol-caliber platforms in the US market. Type: Pistol Action: Gas-Operated Caliber: 9mm Capacity: 20 Year introduced: 2015, Czech Republic Weight: 5 oz Overall length: 16.5" Status: Active Intended use: Home Defense, PDW, Competition