Guarder SP150 Infinite Torque-Up Kit for Marui M4A1 Bolt set Burton Model M92 GBB Pistol

Burton Model M92 GBB Pistol / Magazine

The quick spring change designed gearbox helps to replace and adjust the shooting power easily

- 100% CNC Machined

Non Slip design assist user to hold the magazine more security

Guarder SP150 Infinite Torque-Up Kit for Marui M4A1 Bolt set Burton Model M92 GBB PistolA 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