The Umarex XBG lightweight, compact BB air pistol fires BBs at 410 fps. Its durable, metal, 19-shot, drop-free magazine makes reloading quick and easy to keep you shooting for hours. Powered by a single 12g CO2 capsule (sold separately) that is housed in the grip, it shoots just as fast as you can pull the double-action trigger. Textured grips. Integrated Weaver rail for mounting accessories. Fixed front and rear sights. Manual safety. Caliber: .177. Barrel length: 4.25". Overall length: 6.75". Weight: .7 lbs.