Gearbox Parts

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...

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 ...

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

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...

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

A genuine, brand new cylinder and cylinder head for the ASG EVO 3 Scorpion, as well as the A1 and BET models. Original ASG parts. Includes everyth...

A brand new ASCU wire harness and board for the pre 2020 CZ ASG EVO 3 Scorpion, as well as the A1 and BET models. Original ASG ASCU parts. Include...

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 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...

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...

A high speed gearbox for MP5. M100 Spring produces approx 350 fps. With an ULTIMATE® complete gearbox you can make a perfect upgrade by doing a si...

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...

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...