Swiss Arms P92 CO2 Pistol 21rd BB mag Semi-auto Fixed front and rear sights Textured grip panels Full metal construction Blowback Accessory rail Length: 8.54" Weight: 2.42 lbs Includes steel BBs, hex wrench and CO2 cartridge cap* Do not shoot steel BBs at hard objects *The CO2 cartridge cap connects with the bottom of the CO2 cartridge (which is in the magazine) and is used to screw in the cartridge so it's properly pierced. The gun comes with 2 of these caps. Box states that this has BAX Hop-Up, but it does not. Owner's manual says it comes with a speed loader...it does not.