da Vinci GUREN 2 6.03mm Carbon Steel Inner Barrel for AEG (595mm) Accessory-Type_Magazine Base Piston Head is made of

Piston Head is made of polymer and is ported allow the cylinder to quickly refill itself with air in preparation for the next shot

0 w/ Flat M4 Molle Front Flap (Large)

VFC BCM GUNFIGHTER AMBI Charging Handle MOD 4X4 (Mid) for M4 GBB

Package Not Include Rifle

ITW NEXUS plastic hardware

da Vinci GUREN 2 6.03mm Carbon Steel Inner Barrel for AEG (595mm) Accessory-Type_Magazine Base Piston Head is made ofGuren 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 AEG chamber & has a tapered muzzle end. The tapered muzzle makes better accuracy & FPS but become happen a lots metal chips. So be