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Overview

The ASG Ultimate Upgrade Series MP5 Steel Trigger is a reinforced replacement trigger for MP5 and Mod5 series airsoft AEGs. It actuates the trigger switch that completes the firing circuit, so keeping this part crisp is key to reliable trigger response.

Why upgrade

Standard MP5 triggers are commonly moulded plastic or soft metal that wears and flexes with use, leading to a spongy or unreliable pull. Machined from reinforced steel, the Ultimate trigger resists deformation and keeps engagement sharp even under heavy skirmish use.

Fitment and compatibility

The MP5 series uses its own trigger shape, distinct from the M4 pattern. This trigger fits MP5 and Mod5 replicas from ICS, Umarex, Classic Army, SRC, JG, CYMA, Tokyo Marui, Echo1, G&G and most compatible models. It is mechanical only and works with your existing switch and wiring.

Fitting and servicing

Installation requires opening the gearbox, so it is best done alongside a service or rewire. Our airsoft repair and servicing team in Kent can handle it, or browse more airsoft accessories and parts for your project.

General
BrandASG
ColourSilver / steel
Other
MaterialReinforced steel
SeriesUltimate Upgrade Series
Part typeTrigger
Gearbox platformMP5 / Mod5 series
CompatibilityICS, Umarex, Classic Army, SRC, JG, CYMA, Tokyo Marui, Echo1, G&G and compatible MP5 replicas
FunctionActuates the trigger switch to complete the firing circuit
Quantity1 trigger
FitmentMP5 / Mod5 series gearbox
InstallationGearbox disassembly required

Frequently asked questions

Which rifles is this trigger for?

It is shaped for MP5 and Mod5 series replicas, which use an MP5-specific trigger profile rather than the standard M4 shape.

Which brands is it compatible with?

It fits MP5 AEGs from ICS, Umarex, Classic Army, SRC, JG, CYMA, Tokyo Marui, Echo1, G&G and most compatible models.

Why fit a steel trigger?

Original triggers are often plastic or soft alloy and can wear or crack. The Ultimate steel trigger is far more durable and gives a consistent, positive pull.

Is any wiring change needed?

No. It is a mechanical trigger that works with your existing MP5 trigger switch and wiring, so no electrical work is required.

Can Platoon Stores install it?

Yes. Our in-house Kent workshop can fit the trigger during a service. See our airsoft repair service to book.