da Vinci GUREN 2 6.03mm Carbon Steel Inner Barrel for Marui Model GSeries34 GBB (102mm) Net-Weight-(g)_2608 more durable

more durable

Suitable For Tokyo Marui M4 MWS Series Airsoft GAs Blow Back GBB Rifle

Snow Wolf BARRETT M82A1 Spring Sniper Rifle (Tan)

Metal Bolt Catch

da Vinci GUREN 2 6.03mm Carbon Steel Inner Barrel for Marui Model GSeries34 GBB (102mm) Net-Weight-(g)_2608 more durableGuren 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 2 is the best design for GBB chamber & has a tapered muzzle end. The tapered muzzle makes better accuracy & FPS but become happen a lots metal chips. So be