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Tokyo Marui NGRS HK416 Trigger Lock Pin

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The fix every 416 owner needs

Ask any Tokyo Marui Recoil HK416D owner about the standard trigger lock pin and you will hear the same story: it works loose, drops out mid-skirmish and vanishes into the grass. The Laylax Trigger Lock Pin ends that frustration for good.

Captive by design

Where the original is a single push pin, the Laylax version is a two-part component with a threaded core. The two halves screw together and clamp onto one another, so once installed the pin physically cannot fall out. A hex-head screw keeps it captive and a low-profile top sits flush in the receiver.

Holds in a worn receiver

Repeated recoil cycles and gearbox strip-downs gradually enlarge the pin hole, which is exactly why the stock pin starts to slip. This upgrade grips securely even once the hole has opened up, restoring reliable lock-up.

Essential for tuned builds

If you are fitting a Gate Titan or similar electronic trigger unit, a secure lock pin is close to mandatory for a proper installation. Not confident stripping the gearbox yourself? Our Kent airsoft repair service can fit it and check over your rifle at the same time.

General
BrandLaylax
Other
TypeTrigger / gearbox lock pin
CompatibilityTokyo Marui Next Gen Recoil Shock HK416D
DesignTwo-part threaded, captive
HeadHex-head screw, low profile
MaterialMetal
FitTighter than standard TM pin
Use CaseRetains pin in worn receivers, aids trigger unit installs

Frequently asked questions

Which rifles does this fit?

It is made for Tokyo Marui Next Generation Recoil Shock HK416D models, and suits the wider TM Recoil M4 / 416 family that uses the same trigger lock pin.

Why is my standard pin falling out?

The recoil action and repeated stripping enlarge the pin hole over time, so the original pin loses its grip and drops out mid-game. This captive threaded pin locks in place and holds even as the hole wears.

Do I need any special tools?

You tighten the two halves together with a hex key. Fit it correctly and firmly and it stays put; a low-profile head keeps everything flush.

Is this needed for a Gate Titan install?

Many technicians consider a secure trigger lock pin essential when fitting an electronic trigger unit like the Gate Titan, as it keeps the assembly correctly located.

Will it work in a receiver that is already worn?

Yes. The threaded captive design is specifically intended to give a firm, secure fix even once the original pin hole has enlarged.