Gearbox Parts

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

Precision CNC manufactured cylinder heads from ULTIMATE. Colour coded for easy recognition, this head is suitable for version 7 gearboxes. Double ...

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...

High strength anti-reversal latch that ensure your gears only turn one way. These latches are notably heavier than other reversal latches on the m...

Constructed from solid steel with an attractive gloss gunmetal finish. These high performance cylinders are surface treated to ensure minimal fric...

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

Constructed from solid steel with an attractive gloss gunmetal finish. These high performance cylinders are surface treated to ensure minimal fric...

Solid steel trigger from ULTIMATE. Very strong construction minimises possibility of snappage. Includes trigger torsion spring. Suitable for G3 se...

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

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 strength anti-reversal latch that ensure your gears only turn one way. These latches are notably heavier than other reversal latches on the m...