Lancer Tactical LT-29BACRL-G2-ME Enforcer Skeleton AEG (Black and Red)Specifications: Brand: Lancer Tactical Operation: Electric Automatic Build: Metal Upper Lower Receiver, Buffer Tube, Outer Barrel Nylon Fiber Stock, Motor Grip Firing Modes: Semi Automatic, Full Automatic, w Functional Safety Muzzle Velocity: 330 350 FPS (w 0. 20g BBs) Gearbox: Full Metal Version 2 Battery: 11. 1v LiPo Stick (Not Included) Magazine Capacity: 120 Round Mid Capacity Hop Up: Yes, Adjustable Inner Barrel Diameter: 6. 03mm Inner Barrel