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CNC Aluminum Hopup Chamber M4A - PRO [MAXX MODEL]

MAXX MODEL | Available
Our price*: $69.08

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  • Technical data

    Weight 18 g
    Material aluminum
    EAN 5904420012177
    Replica Model AR15 / M4 / M16 Airsoft Gun
    Quantity in package 1 pcs
    Manufacturer: MAXX MODEL
    Code: MX-HOP010MA

  • Reviews

    • - 24.12.2025 wrote:
      The Maxx M4 hopup unit is a typical example of a de-facto standard among tinkerers: you may object to its price, but not to its performance.
      I love this Maxx because of the ring that allows for a precise adjustment of the distance between the gearbox shell and the hopup unit. This is a critical parameter, in order to make the nozzle length match its duty cycle range, so as to kiss the bucking's lips, while at the same time making enough room for the next BB to be pushed into the "breech". I also bought some clones of this Maxx, but they lack this feature. Now, I learned from such experience as how important quality can be. Do not try to save a little money on inferior products, if you know as how well the genuine product will work in your project.
      Sure, you can adjust the tappet plate, the eccentricity driver on the sector gear, the nozzle's length, it all adds up to the overall behaviour of your AEG. But to tweak away that last remaining piece of nuisance that keeps your AEG from properly working, that is what that adjustable ring does for you.
      Do not buy a clone anymore. Buy the original. Really.
      Opinion rating: 0
    • - 09.07.2025 wrote:
      The product arrived in record time at its destination, a quality product, exactly as in the pictures and description! I recommend buying with confidence from this site... with each order I was surprised how quickly they arrived and always came exactly what I ordered!
      Opinion rating: 0
    • - 21.03.2025 wrote:
      Cnc aluminum hopup chamber m4a - pro (maxx model) represents one of the best chambers if you plan to upgrade your replica. The best price-quality ratio, so any recommendation for this product.
      Everything the best
      Opinion rating: 0
    • - 18.02.2025 wrote:
      MAxx hop up ...what should i say ?

      Have these little thing in all my V2 replicas and just the results are super combining them with the equivalent barrel and hop up bucking .

      Aluminum CNC construction , plenty of options for nubs , easy installation process.

      Also a nice extra feature is the BB stopper , which holds 4 bbs while you remove your mag and they do not drop down .
      Opinion rating: 3
    • - 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.
      Opinion rating: 0
    • - 08.07.2024 wrote:
      Max Model MA4p - Pro , got it for my E&C AEG
      Great Hop up once fitted !! The wings of the hopup where too thick (2.35mm) and had zero vertical play and as result the upper receiver didnt close properly!
      After measuring the wings from the prowin hopup ( 2.05mm) i shaved them down with the dremel... Now the receiver closes properly and the gun fires very nice
      Opinion rating: 2
    • - 29.05.2024 wrote:
      I'm very satisfied with product, exactly as described. High-end material, works perfectly fine. I would recommend it to everyone if you look to upgrade your gun with high quality products like this one
      Opinion rating: 1
    • - 30.01.2024 wrote:
      Awesome Hop-up chamber, works perfectly and shoots like a straight arrow. Make sure to get a nice rubber around the barrel for a better hop.

      I paired it with a nice 6.03mm barrel, and the bb's leave the barrel like a laser.
      Opinion rating: 2
    • - 28.08.2023 wrote:
      I bought this hop unit to install on my new UTR556 by DE. Fits great (thanks for the heads-up by the TG guys) and there’s a couple things I want to say about.

      1. It comes with multiple options and styles of nubs. You can use flat or e-hop styled. I opted to use a omega style by maple leaf and it shoots great without much hop.

      2. The install is easy if you’re experienced with replicas however I suggest you use the TG service to have it installed by pros.

      Overall 10/10.
      Opinion rating: 1
    • - 31.07.2023 wrote:
      Excelent quality! Sits in my specna arms ar perfectly and hops 0.43g bbs easily.
      Instructions were really clear and filled with excellent information like what screws to tighten with locktight and what screws to just tighten lightly.
      BB holding feature is a real money saver when using those heavier dmr or sniper weight bbs.
      Hop wheel is really high quality and the numbers help if you need to set hop to 0 when cleaning the barrel so you can remember where it was before you changed it.
      BB window helps you to check the ammo situation. This helps especially when you need to clear the barrel when young to the off zone / safe zone.
      Opinion rating: 3
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  • Ask for item

    The administrator of your personal data is \ KRAKMAN P.Kiepura, K.Michalik Sp. k. with its registered office in Kraków, ul. Półłanki 18, 30-740 Kraków, NIP: 6793082897, REGON: 122593008. Personal data will be processed only in order to establish contact with you and legally justified purposes of the controller. Providing your personal data by is voluntary but also necessary to contact you. Detailed information about the processing of your personal data can be found in ourPrivacy policy on the rules of processing personal data. Fields marked * are required

Wide selection of internal parts for ASG replicas for tuning and modifications — Check out the other products in the series

TMaxx Model's M4A Pro hop-up chamber is unmatched in the ASG market.

It has been designed and manufactured with attention to the smallest details.
The M4A Pro is made entirely from aluminum on CNC machine tools, ensuring an exact fit with Tokyo Marui's M4/M16 AEG replica series (including G&G, KRYTAC, except KWA).
This Hop-up chamber features a system to prevent bb from being released from the chamber during a magazine change. It is fitted with a ROTARY tup aluminum adjustment ring, ensuring precise adjustment. It works with nozzle lengths from 21.00mm to 21.25mm.
Three interchangeable adapters for different spacers are included, which work perfectly with the R-Hop system and the standard hop-up system.
The hop-up chamber is equipped with interchangeable side wings that provide perfect stabilization inside the outer barrel. To secure the barrel securely in the hop-up chamber, Maxx Model has designed and manufactured an advanced CNC Delrin clamping clip that holds the barrel in place without play or rotation.

Does not fit MP5 models.
Remember that this is a tuning element and its assembly requires experience and manual skills. In some cases it will be necessary to adjust the mating components in order to mount or be able to fully use all the functions of the chamber.


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-HOP010MA · EAN: 5904420012177 · CNC Aluminum Hopup Chamber M4A - PRO [MAXX MODEL] ·
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 · shop@taiwangun.com
Manufacturer:

REPLICAS AVAILABLE ON TAIWANGUN.COM MIGHT BE PURCHASED ONLY BY ADULT USERS. PRODUCTS FOR ASG AND MILSIM USE ONLY.

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