Gamo, GP-20, .177 BB, 400 Feet Per Second, 6.5" Barrel, Black Color, 20Rd WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. Caliber: .177 Action: Single/Double Powerplant: CO2 12gr. Slide: Non-blowback Velocity: 400 feet per second (fps) with alloy pellets Ammunition: .177 BB's Magazine: 20 metal BB's magazine. Sights: Fixed sights with fiber optic rear sight. Weight: 0.97 lbs Have fun with this 20-round clip fed CO2 powered pistol. The GAMO GP-20 Combat is a great entry-level CO2 pistol that shoots up to 400 fps. Lightweight and easy to use