Umarex MP7 GBB Airsoft Rifle (by KWA)

Fully Licensed by H&K KWA Internal Gas System delivers exceptionally crisp cycling Flip-up front and rear sights Folding front grip Extendable stock Crisp and quick recoil Compatible Only with KWA MP7 Gas Magazines This product is only compatible with gas designed specifically for Airsoft guns. Do not use lighter fluid or butane gas, as that will cause permanent damage.