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.










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