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 TypeSemi-AutoSIG AIR Reflex Sight ReadyNoAccessory RailM1913Operating SystemCO2SightsFoldingStock TypeSyntheticCaliber.177 calOptimal Pellet Weight Range5.0gr - 8.5grMags Included(1) 30rd Pellet MagOverall Length34.75 in (883 mm)Trigger Weight5.5 lbsMuzzle Velocityup to 545 fpsCO2 Cylinder Size88gr, 90grWeight7.2 lbs