Gearbox Parts

High quality tappet plate from ULTIMATE. Incredibly strong construction is highly resistant to flex and breakage in even the highest speed gearbox...

A high quality switch for all v.2 gearboxes. Contact points have a high quality plating to ensure a low inner resistance and minimal heat build-up...

High quality air nozzle from ULTIMATE. The AEG listed in the name is a guide only; this nozzle can be used in any gearbox where the required nozzl...

Enhance your AEG with this high performance Cylinder Head The ULTIMATE® Upgrade Series Cylinder Head is CNC manufactured in machine grade aluminiu...

High quality air nozzle from ULTIMATE. The AEG listed in the name is a guide only; this nozzle can be used in any gearbox where the required nozzl...

Constructed from solid steel with an attractive ribbed external finish. These high performance cylinders are surface treated to ensure minimal fri...

The latest addition to the Ultimate upgrade parts series consists of a selection of hardened CNC crafted airsoft gears, specially engineered for p...

The latest addition to the Ultimate upgrade parts series consists of a selection of hardened CNC crafted airsoft gears, specially engineered for p...

Precision CNC manufactured cylinder heads from ULTIMATE. Colour coded for easy recognition, this head is suitable for version 6 gearboxes. Double ...

A high quality switch for all v.3 gearboxes. Contact points have a high quality plating to ensure a low inner resistance and minimal heat build-up...

This gearbox is cast with high strength materials and is suitable for all low, medium and high power setups. The lining of the casing is surrounde...

0High quality air nozzle from ULTIMATE. The AEG listed in the name is a guide only; this nozzle can be used in any gearbox where the required nozz...

High quality air nozzle from ULTIMATE. The AEG listed in the name is a guide only; this nozzle can be used in any gearbox where the required nozzl...

Constructed from solid steel with an attractive ribbed external finish. These high performance cylinders are surface treated to ensure minimal fri...

Constructed from solid steel with an attractive ribbed external finish. These high performance cylinders are surface treated to ensure minimal fri...

Constructed from solid steel with an attractive ribbed external finish. These high performance cylinders are surface treated to ensure minimal fri...

High quality selector plate from ULTIMATE. Incredibly strong construction is highly resistant to flex, breakage and electrical heat build-up. Suit...

High quality air nozzle from ULTIMATE. The AEG listed in the name is a guide only; this nozzle can be used in any gearbox where the required nozzl...

High quality air nozzle from ULTIMATE. The AEG listed in the name is a guide only; this nozzle can be used in any gearbox where the required nozzl...

Constructed from solid steel with an attractive ribbed external finish. These high performance cylinders are surface treated to ensure minimal fri...

High quality selector plate from ULTIMATE. Incredibly strong construction is highly resistant to flex, breakage and electrical heat build-up. Suit...

A premium, high strength spring guide with full metal construction. Features steel bearings under a rotatable guide to minimise friction when the ...

Solid steel trigger from ULTIMATE. Very strong construction minimises possibility of snappage. Suitable for AK series AEGs. View our entire range ...

Solid steel trigger from ULTIMATE. Very strong construction minimises possibility of snappage. Includes trigger torsion spring. Suitable for MP5 s...