Guarder SP150 Infinite Torque-Up Kit for Marui M16A2 AOR1 Nozzle and Hard Piston with

Nozzle and Hard Piston with 7 Metal Teeth  Metal Piston Head w/ Bearings  Cylinder For 451 - 550 mm Inner Barrel  Durable Tappet Plate  Metal Anti-reversal Latch  Spring Guide with Bearings  M190 Spring  Completed Gearbox set ready to upgrade  Anti-Heat & Anti-Wearing Construction  Suitable for AEG brand: King Arms & Other Compatible AK Series AEGs  As always

The Power and Velocity is higher than usual

DYTAC URX III Hand Stop (Black)  POM made Hand Stop  Suitable for All Airsoft Rifle with 20mm Picatinny Standard Rail  Best suit to operate with Tango Down style rail cover

PTS Griffin M4SDII Tactical Compensator

Guarder SP150 Infinite Torque-Up Kit for Marui M16A2 AOR1 Nozzle and Hard Piston withA 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