Tiberius Arms is the leader in Magazine fed paintball pistols and Rifles. All Tiberius guns run off of 12 gram Co2 cartridges that provide about 16 shots per cartridge. Both the Pistol and the rifles use an 8 shot quick change magazine that also holds your co2 cartridge. Additional magazines are available along with magazine holsters to to keep you in the game. Accuracy and velocity is similar to a standard paintball gun. The Tiberius T9 Rifles include a conversion kit to add a standard paintball hopper and a remote coil to run off a co2 or compressed air tank. For the Tiberius T8 pistols you can purchase remote air adapter remote air adapter to run off of a remote coil and a standard paintball tank.