Guarder SP150 Infinite Torque-Up Kit for Marui M4A1 Bolt set Magazine Capacity: 110 Rounds

Magazine Capacity: 110 Rounds

Non Slip design assist user to hold the magazine more security

Custom-made for GHK AK GBB series

and is connected to the bolt carrier / gas piston via a longrod

Guarder SP150 Infinite Torque-Up Kit for Marui M4A1 Bolt set Magazine Capacity: 110 RoundsA 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