g&g armament xtreme 45 co2 airsoft pistol (black)(Airsoft Gun) Material ABS/Aluminum/Zinc/Plastic/Steel Overall Length 220 mm, Weight 946g, Inner Barrel Length 123.8 mm CO2 Type 12gm CO2 Cartridge only, Magazine 15 Rounds Muzzle Velocity 370 FPS with 0.2gBB (average) Firing Mode Single Shot Bolt Action / CO2