Steyr M9-A1 CO2 pistol Uses 12-gram CO2 cartridges Semiauto 19rd BB mag (removable) Fixed front sight with white dot Fixed rear sight with green fiber optic tube Textured grips with finger grooves Manual safety Weaver accessory rail No blowback, no hop-up Includes 5pk of Swiss Arms 12-gram CO2 cartridges and 1,500 Umarex steel BBs Includes M9-A1 pistol, 5 CO2 cartridges and 1500 steel BBs 0.177 449