Modify S100 V2 Complete Gearbox - M4A1 - REAR

High Performance and HIgh Speed complete gearbox with ALL Modify parts
rear-wired

This version is made specifically for AirsoftParts.ca , it features a Modify S100 spring as well as Modify High Speed Ultra Piston, suitable for lipo use.

Includes:
*S100 Spring ( approx.350-370fps)
*8mm Torus Gearbox
*8mm Tempered Steel Bushings
*High Speed 16.32:1 Modular Gearset (Original version) *Type-1 Cylinder suitable for guns 300mm-450mm in length
*Ultra Piston, Piston Head and Air seal nozzle with o-ring
*Rotary Spring Guide
*Aluminum Cylinder head with dual O-ring and lightweight aluminum Cylinder
*Pre-wired with low resistance silver plated wiring and deans style connector
*Steel trigger