Sig Sauer MCX CO2 Rifle, Black Kit Uses an 88- or 90-gram CO2 cartridge Semiauto Rifled steel barrel 30rd Roto Belt pellet magazine Adjustable flip-up front sight Adjustable flip-up rear sight Synthetic stock Metal housing Weaver/Picatinny optics rail Removable tactical foregrip Manual safety Life-tested with 15,000 shots Available to US customers exclusively Includes (2) 90gr CO2 tanks, extra magazine and 500 pellets