ASG TAC 4.5mm CO2 Airgun Sniper Rifle w/ Bipod (BLACK)Specifications: Brand: ASG Operation: CO2 Non Blowback Material: Polymer Receiver, Pistol Grip, Stock Metal Barrel Firing Modes: Semi Automatic Muzzle Velocity: 400 420 FPS Magazine Capacity: 21 Rounds Hop Up: No Propellant: CO2 Length: 36" Color: Black Package Includes: 1X Airgun Rifle, 1X Magazine, 1X Bipod Features: High impact polymer receiver for improved accuracy while maintaining a lightweight build Top optics rail for mounting your choice of