The Umarex GLOCK® 19 CO2 Air Pistol is ideal for target practice as well for gun safety training. It has a versatile and compact design that still has the look and the dependability of the original Glock it is modeled after. It comes with a metal slide, polymer frame, and has the same trigger blade safety of it's firearm counterpart. This airgun uses a 12g CO2 cylinder, housed in the grip, to propel steel BBs up to 410 fps. The detachable magazine holds 16 BBs (not included) and is an officially licensed product of GLOCK.Model: Glock 19Operating System: CO2Action: Semi-Automatic, blowback, single action onlyAmmo Type: 4.5mm steel BBsMuzzle Velocity: 410 fpsStock Type: Metal and polymerSights: FixedOverall length: 7.25”