da Vinci Airsoft GUREN 1 6.03mm Carbon Steel Inner Barrel for AEG (363mm)

Guren is made of precise carbon steel & process the HV500 Coat for the surface. This plating reinforced a hardness of the surface so achieve around HV500. It’s better than stainless steel (from HV200 to 400) It’ll be kept clean & beauty surface for long time. Of course, it’s good for anti rust. Guren 1 is simple design. Single cut groove for AEG chamber & muzzle end has crown cut. Low cost barrel series but its potential is enough for upgrading. da Vinci Airsoft GUREN 1 6.03mm Carbon Steel Inner Barrel for AEG (363mm) Metal Construction High grade precision barrel at 6.03mm diameter for extra power and precision shooting Suitable For Tokyo Marui M4/M16 Series Electric AEG Airsoft Guns For custom upgrade user, you can choose a longer barrel Dia.: 6.03mm Outer Dia.: 8.55mm