Tappet Plates

The Tappet Plate may be one of the smallest parts in an AEG gearbox, but it plays a crucial role during every firing cycle. Together with the AEG Nozzle, the tappet plate ensures that a new BB is fed from the magazine into the hop-up chamber at the right moment, and that the nozzle then seals airtight again before the shot is fired. A properly functioning tappet plate therefore not only contributes to reliable feeding, but also to consistent airtightness and stable performance.

Go straight to the relevant information:
• Why choose high-quality tappet plates?
• What exactly does a tappet plate do?
• Why is timing so important?
• Feeding problems? Don’t just look at the magazine
• Flexibility is more important than maximum rigidity
• Top brands in tappet plates
• Professional use
• What should you look out for when buying a tappet plate?
• Frequently asked questions about tappet plates

In this category, you’ll find a carefully selected range of tappet plates from renowned brands such as G&G, Gate, Guarder, Point, Prometheus and Union Fire Company (UFC). The range comprises versions for Version 2, Version 3, Version 6 and Version 7 gearboxes, so you can find the right tappet plate for virtually any AEG.

Whether you’re replacing a worn tappet plate, sorting out feeding problems or overhauling a complete gearbox, a high-quality tappet plate is a key component of a reliable feeding mechanism and a properly functioning compression system.

Why choose high-quality tappet plates?

Although a tappet plate may look simple, this component plays a major role in determining how reliably BBs are fed and how well the nozzle seals during the shot. The correct design prevents common feeding problems and ensures that the entire system continues to function smoothly.

By choosing the correct tappet plate for your gearbox, you can prevent unnecessary wear and ensure that the nozzle moves at the right moment. This helps to ensure reliable feeding and a good airtight seal during every shot. A high-quality tappet plate also helps to maintain a consistent shot cycle and reduces the risk of irregular feeding during intensive use.

What exactly does a tappet plate do?

The tappet plate is a relatively small component within the AEG gearbox, but it plays a crucial role during every firing cycle. Together with the AEG nozzle, the tappet plate ensures that a new BB is fed in at the right moment and that the nozzle seals airtight again before the shot is fired.

During each firing cycle, the sector gear pulls the tappet plate back slightly. This causes the nozzle to move backwards as well, allowing a new BB to be fed from the magazine into the hop-up chamber.

As soon as the sector gear releases the tappet plate, the tappet spring pushes the tappet plate and the nozzle forwards again. At that moment, the nozzle fits snugly against the hop-up rubber, ensuring a good airtight seal during the shot.

A properly functioning tappet plate therefore fulfils two important functions:

• Ensures that a new BB is entered correctly.
• Ensures that the nozzle seals properly against the hop-up rubber again before the shot.

Precisely because the tappet plate is responsible for both feeding and the air seal, a faulty or worn tappet plate can cause a range of problems. These include BBs failing to feed properly, dry-fires, double feeds or a fluctuating joule rating.

Why is timing so important?

The tappet plate must move at exactly the right moment during every firing cycle. If the nozzle closes too early or too late, this has a direct impact on the replica’s performance.

If the nozzle closes too early, the BB will not have enough time to be fed correctly from the magazine into the hop-up chamber. If the nozzle closes too late, the airtight seal may be compromised during the shot, causing air to escape before the BB leaves the barrel. The result can range from feeding problems to an inconsistent joule rating.

Correct timing is therefore essential for the AEG to function reliably. Not only the tappet plate, but also the tappet spring, AEG nozzle and sector gear must work together perfectly. As a result, the tappet plate forms a vital link between the feeding mechanism and the replica’s compression system.

Feeding problems? Don’t just look to the warehouse

When a replica experiences feeding problems, the first thing that often comes to mind is a faulty magazine or a worn hop-up rubber. Although these are common causes, the problem is by no means always down to them.

A worn, damaged or warped tappet plate can prevent the nozzle from moving far enough backwards or, conversely, from returning to its resting position in time. As a result, BBs may not be fed correctly or the nozzle may no longer seal properly against the hop-up rubber.

A worn-out tappet spring or an incorrectly fitted AEG nozzle can also cause similar symptoms. That is precisely why experienced airsoft technicians inspect the entire feeding and compression system when diagnosing a fault, rather than replacing parts straight away.

Flexibility is more important than maximum stiffness

A common misconception is that a tappet plate that is as rigid as possible is automatically the best choice. In reality, a good balance between strength and flexibility is far more important.

During each firing cycle, the tappet plate moves back and forth at high speed. A high-quality tappet plate is therefore designed to withstand this load over the long term without deforming or breaking. A limited degree of flexibility actually helps to absorb shocks and extend the service life of the component.

That is why renowned manufacturers such as Prometheus, Guarder, Gate, G&G and Union Fire Company deliberately choose high-quality materials that combine durability with the right level of flexibility.

Leading brands in Tappet Plates

In this category, you’ll find a carefully curated selection from manufacturers renowned for their reliable fit and high-quality finish.

Prometheus, Gate and Guarder are among the most popular choices for performance-oriented gearbox builds and are widely used by experienced airsoft technicians. G&G, Point and Union Fire Company (UFC) also offer high-quality tappet plates for the maintenance, repair and upgrading of a wide range of AEG platforms.

Practical tip

Are you replacing a tappet plate? If so, be sure to check the AEG nozzle, tappet spring and sector gear at the same time. These parts work closely together during every firing cycle. A new tappet plate will not resolve feeding problems if, for example, the nozzle is worn or the tappet spring is not sufficiently tensioned.

Professional use

In a professional gearbox build, a tappet plate is never regarded as a standalone component. Experienced airsoft technicians always check how the tappet plate, nozzle, tappet spring and sector gear work together. Only when these components are correctly matched can reliable feeding and a good airtight seal be achieved.

When resolving feeding problems, therefore, the focus is not solely on the magazine or the hop-up unit. The movement of the nozzle, the timing of the tappet plate and the condition of the tappet spring are also checked. It is precisely this holistic approach that ensures faults are resolved at source, rather than simply treating the symptoms.

In high-speed builds, experienced technicians pay particular attention to the timing between the sector gear, tappet plate and nozzle, so that BBs are fed reliably even at high rates of fire.

What should you look out for when buying a tappet plate?

Before you buy a new tappet plate, it is important to check which gearbox your replica uses. It is also advisable to look not only at the tappet plate itself, but also at the components it works with.

In this regard, please bear in mind, amongst other things:

• Compatibility with your gearbox (Version 2, 3, 6 or 7).
• The quality and fit of the tappet plate.
• The condition of the tappet spring.
• Compatibility with the AEG nozzle used.
• Any wear and tear on the sector gear.
• The overall condition of the feeding and compression system.

By monitoring the entire feeding cycle, you can prevent a new component from being fitted when the actual cause of the problem lies elsewhere.

Tappet plates inside the gearbox

A tappet plate forms the link between the gearbox and the hop-up system of an AEG. Together with the AEG nozzle, sector gear and tappet spring, the tappet plate ensures that BBs are fed at the correct moment and that the nozzle seals properly again before the shot is fired. A tappet plate that functions correctly is therefore essential for both reliable feeding and consistent airtightness.

Are you in the process of overhauling or upgrading your gearbox? Then take a look at our AEG Gearbox Parts category for all the parts that help ensure your gearbox runs smoothly and reliably. For parts that directly affect airtightness, you can also visit our AEG Compression Parts category.

Common mistakes

A tappet plate is a relatively simple component, but an incorrect diagnosis or fitting can still lead to persistent feeding problems. By understanding how the entire system works, you can avoid replacing parts unnecessarily.

Common mistakes include:

• Attributing feeding problems directly to the magazine or the hop-up unit.
• Overlooking a worn AEG nozzle or tappet spring.
• Choosing the wrong tappet plate for the gearbox in question (V2, V3, V6 or V7).
• Damaging or bending the tappet plate during assembly.
• Expecting a new tappet plate to solve all feeding problems, when the cause lies elsewhere.
• Do not check the fit between the gear, tappet plate and nozzle.

By checking the entire feeding mechanism rather than replacing a single part, you significantly increase the likelihood of a long-term solution.

Frequently Asked Questions about Tappet Plates

Can a worn tappet plate cause feeding problems?
Yes. If the tappet plate no longer moves smoothly or is damaged, the nozzle can no longer open and close correctly. This can result in poor BB feeding, dry-fires or double feeds.

What is the difference between a V2, V3, V6 and V7 tappet plate?
These tappet plates are designed for different gearbox types and are not interchangeable. You should therefore always check which gearbox your replica uses before purchasing a new tappet plate.

Do I also need to replace the nozzle when fitting a new tappet plate?
Not always. Do check, however, that the nozzle can still move freely and shows no signs of wear. As both parts work closely together, it is advisable to inspect them together during a gearbox overhaul.

Can a tappet plate affect the joule rating?
Indirectly, yes. If the nozzle does not seal completely against the hop-up rubber due to a worn or malfunctioning tappet plate, air can escape during firing. This can result in inconsistent or lower joule ratings.

Are all tappet plates universal?
No. As well as the different gearbox versions, there may also be differences between replicas and manufacturers. You should therefore always check the product specifications and compatibility before purchasing a tappet plate.

Advice from Airsoft-Legends

A tappet plate may not be the first component that springs to mind when considering a gearbox upgrade, but it plays a crucial role in the reliability of any AEG. Feeding problems are often attributed to the magazine or the hop-up unit, whilst the actual cause frequently lies with a worn tappet plate, a damaged tappet spring or a nozzle that no longer moves correctly.

Our advice is therefore never to view the tappet plate as a separate component, but always as part of the complete feeding mechanism. During maintenance or a gearbox overhaul, check the condition of the AEG nozzle, tappet spring and sector gear at the same time. By treating these parts as a single system, you can prevent common faults and ensure your replica feeds BBs reliably and continues to perform consistently.

With high-quality Tappet Plates from G&G, Gate, Guarder, Point, Prometheus and Union Fire Company (UFC), you can ensure reliable feeding, precise nozzle timing and a smoothly operating gearbox that is ready for years of intensive use.