Gearboxes

This Lonex Gearbox comes complete with all Lonex parts and is designed for a rear-wired setup. Since everything in this Gearbox is Lonex, all of the parts fit optimally and are...

This Lonex Gearbox comes complete with all Lonex parts and is designed for a front-wired setup. Since everything in this Gearbox is Lonex, all of the parts fit optimally and are...

This Lonex Gearbox comes complete with all Lonex parts and is designed for a front-wired setup. Since everything in this Gearbox is Lonex, all of the parts fit optimally and are...

These Lonex Gearboxes come complete with all Lonex parts and are designed for a rear-wired setup. Since everything in this Gearbox is Lonex, all of the parts fit optimally and are...

This Lonex Gearbox comes complete with all Lonex parts and is designed for a rear-wired setup. Since everything in this Gearbox is Lonex, all of the parts fit optimally and are...

These Lonex Gearboxes come complete with all Lonex parts and are designed for a rear/top-wired setup. Since everything in this Gearbox is Lonex, all of the parts fit optimally and...

A Gearbox shell that has good tolerances and measurements is best for optimal performance. That being said, this Lonex Gearbox shell is favored among Airsoft mechanics due to its...

A lightweight, extremely durable quick-change spring gearbox for VFC V2 replicas. CNC-machined from 7075 T6 Aluminum. Comes with a metal spring guide and screws.

Retro ARMS is a Czech company that uses its own manufacturing facilities to produce precision, high-grade gearbox parts. These Gearbox Shells are fully CNC machined from a block...

Retro ARMS is a Czech company that uses its own manufacturing facilities to produce high-grade Gearbox parts. These Gearbox Shells are fully CNC machined from a block of 7075 T6...

The strongest, most durable HK417 Gearbox ever produced is now available from Retro ARMS. This Gearbox uses the Retro Quick-change spring system which can drastically reduce...

This is a super durable and lightweight CNC-machined TM NGRS M4 Gearbox shell from Retro ARMS. It comes with screws and is GATE TITAN compatible. Unlike other Gearboxes from...

This Gearbox shell is inspired by the design of the ProWin split Gearboxes that have been out of production for quite some time. This newest generation shell has a ton of...

This shell has the split functionality but does not have the integrated Hop-Up unit. That being said, the shell is best for users who want the split functionality and also want to...

This is the newest Retro ARMS CNC V2 shell. According to Retro, these shells were designed to be fully compatible with TM parts. Manufacturer notes: Old data was deleted and...