The SIG MPX redefined modern pistol caliber SBRs, and this Air Rifle version does no less for CO2 rifles. Matched to original model weight, balance and controls, the SIG MPX Air Rifle airgun puts more accurate performance into more accessible practice. Chambered in .177 pellet, features include 8" rifled steel barrel, synthetic handguard, picatinny rail, tactical front grip, Micro Red Dot Sight, flip-up front and rear sights. *Results may vary based on ammo weight, temperature, and altitude.