Guren 03-1 AEG Inner Barrel - 6.03mm - 469mm SP-NIMROD-10 Originally designed for the MDRX

Originally designed for the MDRX hop-up

Each set is laser-cut to fit your airsoft gun

Type B Anti-Rotation Pins for Marui MWS

Made of polycarbonate

and builds

Guren 03-1 AEG Inner Barrel - 6.03mm - 469mm SP-NIMROD-10 Originally designed for the MDRXGuren barrels are made of precision carbon steel & processed with an HV500 coating. This plating reinforces the surface hardness. It is harder than stainless steel (HV200 to 400). Guren barrels feature a single cut groove for AEG chambers and a crown cut at the end of the barrel. You can use this barrel with R hop patches buckings. The barrel cuts are squared to 90 degrees at the bottom. The window edges are cut at 45 degrees to be gentle on the