The WE Full Metal 1911 Desert Warrior Airsoft Gun ( Railed Version ) features a metal slide, a metal frame, and a textured polymer grip.The breakdown and therefore the operation remain an equivalent . The functional grip safety and ambidextrous slide safety make its operation safe for all users. The blow back action is operated by high gas, like green gas, red gas, or propane. The rail beneath the barrel on the frame is employed for mounting accessories just like the G&P M3 Pistol Flashlight. The reinforced metal parts include outer barrel, chamber, recoil spring rod, slide stop, safety, hammer, and trigger. the interior upgrade parts include reinforced recoil spring, hammer spring, striker , extreme high flow valve. This airsoft gun has the well established operation of the 1911 with the benefits of the under barrel rail.