Sig Sauer MCX Air Gen II 177 Caliber Air Rifle - Born from the same robust foundation as its predecessor, the SIG MCX GEN II Air Rifle has been newly redressed with modified furniture and controls. Updates include M-LOK system handguard, flat blade trigger, reduced angle grip, and redesigned buttstock finished off with 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. For greater precision, this rifle is also packaged with a 1-4x24 rifle scope and mounting rings. To achieve peak performance with this air rifle, it's recommend to use SIG SAUER or equivalent premium pellets with a grain weight listed below. Includes: 1-4x24 rifle scope and mounting rings Flip-up, dual aperture peep sights adjustable for windage and elevation. Ambidextrous manual safety levers. Quick detach buttstock houses 88g or 90g CO2 cartridges.