All-metal Gear Nylon Piston + Piston Head For Jm Gen.8 M4A1 Gearbox Modification Upgrade Test Kit

Features:

.100% brand new and high quality.
.Made of high-end material,durable to use.
.Super hard nylon plastic material, no damage to other accessories, better protection of the gearbox.
.The gear on the piston are all-metal, super high-strength resistant, more wear-resistant and able to withstand higher speed motors.
.The product is suitable for people over 14 years old. Refitting requires a certain amount of hands-on ability. Refitting is risky, so players should consider carefully.

Specifications:

.Color: Random
.Material: Metal + Nylon
.Product Weight: 50g
.Package Dimensions: 15*4.5*4.5cm
.Package Weight: 55g
.Packing: Bag

Package Content:

.1 x Piston + Piston Head

All-metal Gear Nylon Piston + Piston Head For Jm Gen.8 M4A1 Gearbox Modification Upgrade Test Kit