Army Armaments - 5.1 Hi-Capa Costa Comp R501 with Threaded Barrel mk22 Uses Green Gas (HFC22) (350

Uses Green Gas (HFC22) (350 FPS w/

or other accessory you'd want to put up there

CO2 Powered - Green Gas ready

The gas is stored in a removable gas cartridge stored in the stock of the gun

for its rock solid metal body and VFC's own take on the Magpul ACR stock

Army Armaments - 5.1 Hi-Capa Costa Comp R501 with Threaded Barrel mk22 Uses Green Gas (HFC22) (350Army Custom 5. 1 Hi Capa with Costa Compensator with Thread Adapter (Full Metal Black R501) Get your Chris Costa on with this Army 5. 1 Hi Capa with Costa Compensator Main features: Full Metal Construction 4 inch island type barrel with compensator Realistic Blowback System Double Stack Magazine Sealed New Generation Magazine Valves Fiber Optic Front Sight Reinforced Cold Resistant Polymer Nozzle Compatible with CO2 Green gas powered magazines