King Arms M135 Ver. II Rear Wiring Complete Gearbox for M4 AEG M4 this design of frame

this design of frame

- Length: 950mm

Fits For NVG: AN/PVS-7B and 14 (Both Require Optional Hardware)

Length: 775mm

and hard kick

King Arms M135 Ver. II Rear Wiring Complete Gearbox for M4 AEG M4 this design of frameEssential part for upgrading your Airsoft Electric Gun AEG Version II Complete Gearbox To build a tight & durable Gearbox 9mm Bearing Enhanced Gearbox Rear Wiring Switches Set w Silver Cords POM Gear Sector Clip, Cylinder Head, Nozzle and Hard Piston with 7 Metal Teeth Metal Piston Head w Bearings Cylinder For 301 400 mm Inner Barrel Durable Tappet Plate Metal Anti reversal Latch Spring Guide with Bearings M135 Spring Completed Gearbox set ready to