The First Strike Roscoe is the first ever high-end .50 caliber revolver specifically designed for use with our First Strike Rounds(.50 Caliber). The easy-to-load rotary cylinders hold six .50-caliber FSR or paintballs and fires at 280 feet per second (High and Low Impact Velocity Valves Sold Separately) right out of the box. Powered by a 12gram CO2 cartridge located in the grip with twist on/off or constant air adapter (sold separately). With a functional hammer and trigger blade safety, the First Strike Roscoe will be the life line you need to stay in the game longer and be sure to turn heads in the staging area.