Created from the same robust foundation as its predecessor, the SIG MCX GEN II Air Rifle has been updated with improved accuracy and modified furniture and controls. Now featuring an M-LOK system handguard, flat blade trigger, reduced angle grip, a redesigned buttstock, and a low-profile recoil pad. Chambered in .177 pellet and complete with a rifled barrel and flip-up sights, the CO2-powered SIG MCX GEN II Air Rifle keeps you on target while delivering 30 rounds of semi-automatic firepower down range.FeaturesFlip-up, dual aperture peep sights adjustable for windage and elevation.Ambidextrous manual safety levers.Quick detach buttstock houses 88g or 90g CO2 cartridges.