CZ SCORPION EVO 3 - A1Features Fiber reinforced polymer receiver w CNC machined metal outer barrel, flash hider, and barrel nut Newly designed gearbox w QD spring change capabilities Folding removable stock Electronically controlled ECU gearbox for better battery and motor efficiency while offering crisp trigger response Functional bolt lock Empty magazine detection Ambidextrous controls 4 position fire selector w genuine 3 round burst capabilities The CZ Scorpion EVO 3 A1