Sig Sauer Airguns MPX Air Rifle Semi-Automatic .177 Pellet Blk   The MPX by Sig Sauer is a semi-automatic CO2 powered air rifle. This MPX features an all aluminum handguard, a 30 round magazine, flip-up front and rear sights, and an 8 inch rifled steel barrel.                        Type                :Air Rifle Action              :Semi-Automatic Caliber             :.177 Pellet Capacity            :30 Finish              :Black Barrel Length       :8" Sights              :Flip Up Front & Rear