Prepared 2 Protect Defensor Pepper Air Rifle .68 caliber Launches rubber, powder and pepper balls Powered by two 12 gram CO2 cartridges via adapter or one 88 gram cartridge Weight: 5.7lbs Length: 33.25" Barrel: 11.75" smoothbore M-LOK slots Full length Picatinny optics rail Manual safety Full or semi-auto 20 round magazine capacity Drop free magazine Velocity: 550 FPS (rubber rounds), 475 FPS (powder rounds) with 88g cartridge Includes: 20 rubber rounds, 20 pepper rounds, a barrel squeegee, and a quick-pierce 2X12g CO2 cartridge adapter