Sig Sauer MCX .177 CAL Co2 Powered (30 Rounds) SIG20R Red Dot Air Rifle, Black (CO2 Not Included) CO2 and Pellets are not included 30 round rpm magazine Red Dot included Ideal for training and practicing Chambered in .177 pellet Rifled steel barrel Patented 30-round magazine Picatinny optics &amp; accessory rail Original model specifications