Guarder SP150 Infinite Torque-Up Kit for Marui AK47 AK47S glock Since APM50 is developed from

Since APM50 is developed from its brother APM40A3

500D nylon made

- 150% Hammer spring x 1

ERGO 18-Slot LowPro Rail Covers protect unmounted rail areas from damage and shield the operator from sharp rail edges

Guarder SP150 Infinite Torque-Up Kit for Marui AK47 AK47S glock Since APM50 is developed fromA 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