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Overview

The ASG Ultimate Upgrade Series M16 Steel Trigger is a hard-wearing replacement for the standard trigger in Version 2 gearbox M4 and M16 series airsoft AEGs. It is the part your finger pulls to actuate the trigger switch and complete the firing circuit, so a worn trigger leads to inconsistent or dead trigger response.

Why upgrade

Factory triggers are frequently made from plastic or soft metal that flexes and rounds off over time. Machined from reinforced steel, the Ultimate trigger resists wear and deformation, giving a positive, repeatable pull even in heavily upgraded, high-stress builds.

Fitment and compatibility

It suits Version 2 gearboxes as used in M4 and M16 series replicas from the major brands and their clones. It is a purely mechanical part, so it works with your existing trigger switch and wiring.

Fitting and servicing

Swapping the trigger means opening the gearbox, so it pairs well with a service or rewire. Our airsoft repair and servicing team in Kent can fit it for you, or browse more airsoft accessories and parts to finish your build.

General
BrandASG
ColourSilver / steel
Other
MaterialReinforced steel
SeriesUltimate Upgrade Series
Part typeTrigger
Gearbox versionVersion 2 (Ver.2)
CompatibilityM4 / M16 series AEGs
FunctionActuates the trigger switch to complete the firing circuit
Quantity1 trigger
FitmentStandard Version 2 gearbox shell
InstallationGearbox disassembly required

Frequently asked questions

Which rifles is this trigger for?

It is designed for M4 and M16 series replicas that use the Version 2 gearbox, the most common AEG platform on the market.

Why choose a steel trigger over the standard one?

Stock triggers are often plastic or soft alloy and can wear, flex or break. The Ultimate steel trigger is far stronger and keeps engagement with the switch crisp and consistent.

Does it fit both M4 and M16 gearboxes?

Yes. M4 and M16 series AEGs share the same V2 trigger geometry, so this trigger suits both, plus most compatible clones.

Will I need to rewire anything?

No. This is a mechanical trigger only. It works with your existing V2 trigger switch and wiring; no electrical changes are needed.

Can Platoon Stores fit it for me?

Yes. Our in-house Kent workshop can install the trigger during a gearbox service. See our airsoft repair service for details.