SIG AIR MCX GEN2 177CAL 90GR CO2 30RD 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. FEATURES: Flip-up, dual aperture peep sights adjustable for windage and elevation. Ambidextrous manual safety levers. Quick detach buttstock houses 88g or 90g CO2 cartridges. Action Type Semi-Auto SIG AIR Reflex Sight Ready No Accessory Rail M1913 Operating System CO2 Sights Folding Stock Type Synthetic Caliber .177 cal Optimal Pellet Weight Range 5.0gr-8.5gr Mags Included (1) 30rd Pellet Mag Overall Length 34.75 in (883 mm) Trigger Weight 5.5 lbs Muzzle Velocity up to 545 fps CO2 Cylinder Size 88gr, 90gr Weight 7.2 lbs