ZCI 8mm Ver.2 Complete Gearbox w/ Microswitch & QD Spring Change (Wiring Options) stocks High quality aircraft-grade aluminum CNC

High quality aircraft-grade aluminum CNC machining ensures repeatability of shots

Wired to the rear with a Deans connector

Fully insoluble and water repellent

Compatible with Tokyo Marui Spec Version 3 Gearboxes

and a folding vertical foregrip

ZCI 8mm Ver.2 Complete Gearbox w/ Microswitch & QD Spring Change (Wiring Options) stocks High quality aircraft-grade aluminum CNCMetal Alloy Construction Standard version 2 gearbox design 18: 1 CNC steel gears Reinforced piston w full metal rack Stainless steel cylinder w aluminum piston head Microswitch trigger QD spring guide 8mm bearings Compatible with Tokyo Marui Spec M4 M16s and other AEGs with a V2 Gearbox (Modification may be required depending on brand and model)