Guarder SP120 Full Tune-Up Kit for Marui MC51/G3SAS BioHazard Steel Barrel Extension

Steel Barrel Extension

‧Shotgun M870 PA Grip

Removable velcro divider inside

- Supplemental friction lock minimizes accuracy robbing wobble*

Guarder SP120 Full Tune-Up Kit for Marui MC51/G3SAS BioHazard Steel Barrel ExtensionA complete kit includes ALL parts for upgrading your Airsoft Electric Gun AEG Guarder made this kit with all suitable parts to super tune up your AEG Rifle The combination of difference parts allow an optimal result & performance Hard and rigid material used, including S303 Stainless Steel, Brass, Polycarbonate, Aluminum, Acetal and Steel As always, upgrading AEG require necessary skill & technique to dissemble the gearbox, consult expertise if needed