Umarex HK Heckler & Koch MP7 .177 Caliber Pellet Gun

auto177.177 Air Rifles For Sale Check out our wide range of air rifles we have for sale at The Airgun Centre. All of the airguns featured on this page fire .177 pellets and come with our free lifetimeAbout this item . 18-shot, .177 caliber BB air pistol with realistic blowback action ; Powered by a 12-gram CO2 cartridge (CO2 NOT included. To ensure a proper seal and for best performance, Umarex-brand CO2 is