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A small part that protects the whole gearbox

The anti-reversal latch is one of the most important small components in an AEG gearbox. It engages the ratchet teeth on the bevel gear to stop the gears spinning backwards once the motor switches off. Without it, the compressed spring would drive the gears in reverse, straining the motor and battery and risking damage.

Steel, built to last

This genuine ASG Ultimate latch (part 16616) is made from steel and is precision cut then reinforced to resist chipping and breaking. That toughness matters most in upgraded builds running high-force gearsets, where a weaker latch is a common failure point.

Version 6 fitment

This latch is made specifically for the Version 6 (V6) gearbox, the type found in P90 style AEGs. It is not interchangeable with V2 or V3 latches, so it should only be fitted to a V6 gearbox.

Fitting and servicing

As an internal part, it must be installed with the gearbox open and reassembled correctly, including the latch spring. If you would rather have it done professionally, our airsoft repair service in Kent can fit and test it, and you can find more internals in our airsoft accessories range.

General
BrandASG
Platform The gun type and the real-world design it is based on.P90 style AEGs
Other
TypeAnti-reversal latch
Gearbox versionVersion 6 (V6)
MaterialSteel
RangeUltimate Upgrade Series
Product codeASG 16616
ManufacturePrecision cut, reinforced
FunctionEngages bevel gear ratchet to stop reverse rotation
Sold asSingle anti-reversal latch

Frequently asked questions

What does an anti-reversal latch do?

It engages the ratchet teeth on the bevel gear so the gears cannot spin backwards when the motor stops. That stops the spring pushing the gears in reverse, which would otherwise strain the motor and battery and can damage components.

Which gearbox does this fit?

This is a Version 6 (V6) anti-reversal latch, the gearbox used in P90 style AEGs. It is not interchangeable with V2 or V3 latches, so use it only in a V6 gearbox.

Why choose a steel latch?

The anti-reversal latch takes high loads, especially in upgraded guns. ASG's steel latch is precision cut and reinforced so it resists the chipping and breaking that can affect weaker parts when running high-force gearsets.

Is this a genuine ASG part?

Yes, this is a genuine ASG Ultimate part, code 16616, rather than a generic copy.

Can I fit it myself?

It is an internal gearbox part, so fitting requires opening the gearbox and correct reassembly, including the latch spring. If you are not confident, our workshop can fit and test it for you.