LCT Airsoft LCK12 Tactical AK-12 Assault Airsoft AEG (Black)Specifications: Brand: LCT Operation: Electric Automatic Material: Steel Receiver Firing Modes: Semi Automatic, Full Automatic, Safety Gearbox: Full Metal Version 3 Muzzle Velocity: 420 430 FPS (w 0. 20g BBs) Battery: 7. 4V Stick LiPo (not included) Hop Up: Yes, Adjustable Inner Barrel Length: 435 mm Length: 27" 37" (Retractable Extended) Weight: 8. 4 lbs Color: Black Features: Constructed out of heavy duty steel and durable lightweight fiber