The Umarex GLOCK 17 GEN3 CO2 Air Pistol is ideal for target practice and handgun training, as it closely duplicates an authentic GLOCK firearm. The slide is made of metal, the frame is made of polymer, and it has a trigger blade safety like the original GLOCK pistol. This airgun uses a 12-gram, CO2 cylinder, housed in the grip, to propel steel BBs up to 365 fps. The detachable magazine holds 18 BBs (not included). This is an officially licensed product of GLOCK.Manufacturer model #: 2255208. Closely duplicates a GLOCK firearm Metal slide, polymer frame Trigger blade safety Detachable magazine Shoots BBs up to 365 fps Officially licensed product