King Arms M120 Ver. II Rear Wiring Complete Gearbox for M16A2 AEG 888c - Sling mount can be

- Sling mount can be installed with any sniper rifle sling

Metal made M4 hi-cap magazine (Grey Color) accommodate 300 Rounds of 6mm Plastic BB (compatible with most of other M4 Type AEG Magazines)

the RM4 offers the shooter a degree of functional realism not present in previous generations of AEGs

Modification may need for installing this kit on the other brand M4 GBB Series

Official Beretta Licensed

King Arms M120 Ver. II Rear Wiring Complete Gearbox for M16A2 AEG 888c - Sling mount can beEssential 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 451 550 mm Inner Barrel Durable Tappet Plate Metal Anti reversal Latch Spring Guide with Bearings M120 Spring Completed Gearbox set ready to