Umarex Avera CO2 Air Pistol Double-action 8-shot rotary magazine Quick-change magazine system Uses .177 caliber pellets Max. velocity: 380 FPS (7-grain alloy pellet) Textured ergonomic grip Fixed front blade and ramp sight Adjustable rear notch sight Picatinny optics rail Under-muzzle Picatinny accessory rail Manual button safety Trigger pull: 8.8 lbs. or less Barrel length: 7.5" Overall length: 12.75" Weight: 1.14 lbs. Uses one 12-gram CO2 cartridge Includes 3 total magazines and CO2 wrench