da Vinci GUREN 1 6.03mm Carbon Steel Inner Barrel for Marui Hi-Capa 4.3 Airsoft GBB (95mm) reg_Hk The Hop-up chamber uses a

The Hop-up chamber uses a new and innovative system for extremely precise adjustment of pressure placed upon the hop-up bucking

The holster is also adjustable for inside waistband carry

5" / Dimension: 1

Fir to Mount on 20mm Picatinny Rail System

Suiatble for Tokyo Marui M4 MWS Series Airsoft Rifle ACC XMR

da Vinci GUREN 1 6.03mm Carbon Steel Inner Barrel for Marui Hi-Capa 4.3 Airsoft GBB (95mm) reg_Hk The Hop-up chamber uses aGuren 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. Its better than stainless steel (from HV200 to 400) Itll be kept clean & beauty surface for long time. Of course, its good for anti rust. Guren 1 is simple design. The muzzle end has crown cut. Low cost barrel series but its potential is enough for upgrading. da Vinci GUREN 1 6. 03mm Carbon Steel