M4E hop-up chamber for AEG barrels [MAXX MODEL]
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Technical data
Manufacturer: MAXX MODEL Code: MX-HOP020ME EAN 5904420015123 Weight 18 g Replica Model AR15 / M4 / M16 Airsoft Gun Material aluminum Quantity in package 1 pcs -
Reviews
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- 23.04.2026 wrote:A very impressive hop-up chamber that delivers solid results right out of the box. If you’ve already installed standard rotary hop-up units, this one won’t feel any more difficult to work with, making it approachable for most users. In CYMA Platinum builds, I found that using the full set of included shims was necessary to achieve proper nozzle alignment and optimal air seal.
The performance improvement is immediately noticeable, especially in terms of shot-to-shot consistency and overall accuracy. If your previous setup had a weaker air seal, you may also see an increase in joule output after upgrading. Overall, it’s a well-designed and reliable component that performs as expected, and I haven’t encountered any issues during installation or use. -
- 13.04.2026 wrote:Ottima compatibilità con vfc, la camera di risalita permette di verificare se la lunghezza delo spingipallino è corretta ed è possibile correggerla tramite gli spessori in dotazione senza dover cambiare lo spingipallino e di conseguenza dover aprire il gearbox. Pescaggio ottimo e apprezzo il fatto che abbia il blocco dei pallini. La uso con kit psionic thor e canna prometheus
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- 09.12.2025 wrote:The best HUs I had so far. super easy to mount it and it comes with spare parts also if you really need some. The pack icludes extra stuff you don't really need and the built quality is very good comparte to other HUs I bough in the past.
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- 31.03.2025 wrote:✅ Pros:
MAXX MODEL hop-up chambers are among the best on the market with precision adjustments.
Improves shot accuracy and range significantly.
Made from CNC aluminum, making it much more durable than stock plastic hop-up chambers.
❌ Cons:
More expensive than basic hop-up chambers.
Requires time and experience to properly adjust, especially for beginners.
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- 03.09.2024 wrote:The product is very high quality and fits the replica perfectly. It always stays in the last bb replica and gives a great sense of reality. It gives you an advantage until you use the new midcapi and this also requires you to check a little bit in terms of security.
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Maxx Model M4E- The chamber is dedicated to barrels and buckings in the AEG standard.
The new aluminum chamber manufactured using CNC technology by Maxx Model M4E is precisely crafted to ensure accurate performance in M4 series replicas. The chamber fits replicas in the VFC/Marui M4/M16 standard. The high-quality workmanship of the chamber guarantees repeatability and accuracy with every shot fired. The chamber is equipped with a latch that releases when the magazine is inserted, and when it is removed, it prevents balls in the feeding channel from falling out. The side guides of the chamber are equipped with additional plates that can also serve to extend the guides and precisely position and level the chamber in the outer barrel. A precise adjustment knob provides a wide range of hop-up pressure settings and prevents unintentional misalignment. The new solution for the locking pin of the pressure arm is based on an o-ring, eliminating the need for tools to disassemble the chamber and replace the spacer. The barrel locking clip, due to its design, also prevents the barrel from shifting, which increases the precision of every shot fired.
The new M4E chambers are equipped with washers that allow the chamber to be spaced from the frame or brought closer, enabling precise calibration of the nozzle in relation to the hop-up bucking.
The new aluminum chamber manufactured using CNC technology by Maxx Model M4E is precisely crafted to ensure accurate performance in M4 series replicas. The chamber fits replicas in the VFC/Marui M4/M16 standard. The high-quality workmanship of the chamber guarantees repeatability and accuracy with every shot fired. The chamber is equipped with a latch that releases when the magazine is inserted, and when it is removed, it prevents balls in the feeding channel from falling out. The side guides of the chamber are equipped with additional plates that can also serve to extend the guides and precisely position and level the chamber in the outer barrel. A precise adjustment knob provides a wide range of hop-up pressure settings and prevents unintentional misalignment. The new solution for the locking pin of the pressure arm is based on an o-ring, eliminating the need for tools to disassemble the chamber and replace the spacer. The barrel locking clip, due to its design, also prevents the barrel from shifting, which increases the precision of every shot fired.
The new M4E chambers are equipped with washers that allow the chamber to be spaced from the frame or brought closer, enabling precise calibration of the nozzle in relation to the hop-up bucking.
Safety & Usage Guidelines
This product meets all EU regulatory requirements. Professional assembly required. Order assembly service from Taiwangun or refer to materials below. Warning: contains small parts, not suitable for children under 14.SKU: MX-HOP020ME · EAN: 5904420015123 · M4E hop-up chamber for AEG barrels [MAXX MODEL] ·
Report safety issue · Responsible person & manufacturer
Report safety issue · Responsible person & manufacturer
Responsible person & manufacturer 

Responsible person for product placed on the EU market:
KRAKMAN P. Kiepura, K. Michalik sp.k. · Pollanki 18, 30-740 Krakow, Poland · [email protected]
KRAKMAN P. Kiepura, K. Michalik sp.k. · Pollanki 18, 30-740 Krakow, Poland · [email protected]
Manufacturer:
REPLICAS AVAILABLE ON TAIWANGUN.COM MIGHT BE PURCHASED ONLY BY ADULT USERS. PRODUCTS FOR ASG AND MILSIM USE ONLY.
Questions? We are happy to help. Call +48 123626134 or email us via [email protected]
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