Guren 03-1 GBB Inner Barrel - 6.03MM - 97MM 24mm CW and require to be "lubed"

and require to be "lubed" less often

It is possible to use your carbon barrel extension as an integrally suppressed barrel by using up to 100 mm (suggested) of foam filling on the muzzle side of your carbon barrel extension

Designed to Work with the Action Army AAP-01 Gas Airsoft Pistol

90° angled design for extreme shooting positions

Damage could be caused to the screw thread if screw glue was not used

Guren 03-1 GBB Inner Barrel - 6.03MM - 97MM 24mm CW and require to be "lubed"Guren barrels are made of precise carbon steel & processed with HV500 coating. This plating reinforced the hardness of the surface. Its better than stainless steel (from HV200 to 400). Hop window length : 5. 5mm Inner Diameter : 6. 03mm Outer Diameter : 8. 55mm