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Established 2006. Kent's Only Authorised 5.11 Tactical Retailer

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The Part That Feeds The Gun

The tappet plate pulls the air nozzle back on each cycle so a BB can drop in, then lets it spring forward to seal against the hop rubber. It is driven by a cam on the sector gear and it operates on every shot the gun ever fires. Being small and plastic, it is also one of the first things to break.

Diagnosing It

If the gun runs, sounds normal, and no BBs come out, the tappet plate is the first suspect. The tail snaps, the nozzle stops being drawn back, and nothing gets chambered. It is a five pound part that takes a gun out of a game.

V3, Not V2

Version 3 gearboxes go in AK, G36, MP5 and SIG pattern AEGs. Most M4s run a Version 2 and the parts do not swap. The two are easy to confuse from photographs, so if you are unsure which is in your gun, ask before ordering rather than after.

Fitting

Not sure whether this is the right part for your gun, or would rather someone else fitted it? Our Rochester workshop services and upgrades AEGs in house, and we would rather check compatibility with you first than have you order twice.

General
BrandE+L
Other
TypeTappet plate
GearboxVersion 3 (V3)

Frequently asked questions

What breaks on a tappet plate?

Usually the tail, which is what the sector gear cam acts on. Once it snaps, the nozzle is no longer pulled back and the gun stops chambering BBs.

My gun cycles but does not shoot. Is this the part?

It is the most likely cause of exactly that symptom, particularly if the motor and gears sound normal.

Will it fit a V2 gearbox?

No. Version 2 and Version 3 tappet plates are not interchangeable. V3 is found in AK, G36, MP5 and SIG pattern guns.

Should I get this or the Nuprol one?

Neither manufacturer publishes a material spec, so we would not claim one is stronger. Ring us and we will tell you which we have had better results with in the workshop.