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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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Overview

The Rocket (SHS) 15 Tooth Piston with Metal Teeth is a full-rack upgrade piston for airsoft AEG gearboxes. It pairs a lightweight fibre-reinforced polymer body with a complete set of 15 hardened steel teeth, aimed at builds that need strength under load.

Full metal rack strength

Because every tooth is steel, load is spread across the whole rack rather than concentrated on a few teeth. That makes it a sound choice for higher-FPS and high-torque setups, and it is rated to cope with the stress of 500+ FPS springs.

Gearbox-friendly design

The first tooth is slightly lowered to reduce the chance of the sector gear pre-engaging, helping protect both the piston and the gears. It is well suited to short-stroked, high rate-of-fire builds where reliability matters.

Compatibility and fitting

The piston fits almost any common gearbox, including Version 2, 3, 6 and 7. Piston swaps are internal work best done with correct shimming and angle-of-engagement correction, so if in doubt our Kent airsoft repair workshop can build it for you. See more upgrade parts in airsoft accessories.

General
BrandRocket (SHS)
Other
TypeAEG piston
Body materialFibre-reinforced polymer
CompatibilityVersion 2 / 3 / 6 / 7 gearboxes
Teeth15, full metal rack
Tooth materialCarbon / MIM steel
First toothLowered to reduce pre-engagement
AoE considerationSuited to angle-of-engagement correction
ApplicationHigh rate-of-fire and higher-FPS builds
Rated for500+ FPS setups

Frequently asked questions

What is a full metal 15-tooth piston best for?

A full rack of steel teeth spreads load across every tooth, making it well suited to high-torque, higher-FPS builds and setups that see heavy stress. The trade-off is a little more weight than a half-rack piston.

Why is the first tooth lowered?

The first tooth is slightly lowered to reduce the risk of pre-engagement by the sector gear, which helps protect the piston and gears during the cycle.

Which gearboxes does it fit?

It is compatible with almost any common gearbox including Version 2, 3, 6 and 7. Always test-fit and check clearance in your specific gearbox before final assembly.

Can it handle high-power springs?

Yes. The full steel rack is built to cope with the stress of 500+ FPS setups, which is why it is a common choice for upgraded DMR and high-torque builds.

Do I need to correct angle of engagement?

The lowered first tooth helps, but for high-power builds a proper AoE correction with piston pads and a matched sector gear is still recommended for longevity.