From tactical drills to target practice, the CO2 powered SIG MCX ASP delivers 30 rounds of rapid-firing, simulated SIG MCX performance and handling for more realistic, economical training and practice any time, any place. Chambered in .177 pellet, features include an 18" rifled steel barrel, synthetic handguard, picatinny rail, tactical front grip, Micro Red Dot Sight, flip-up front and rear sights and more.