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Maxx Model Products CNC M4A Hop-Up Chamber - PRO for M4/M16 replicas

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Designed specifically for rotary Hop-Up units in replica M4/M16 rifles. The chamber is crafted from a single piece of aircraft-grade aluminum and precisely machined using CNC technology. Production is the result of collaboration between Specna Arms and Maxx Model Products.

Engineered for compatibility with most hop-up buckings of varying degrees of hardness. The integration of the CNC Delrin Locking C-Clip system stabilizes the barrel, eliminating unwanted vibrations and movement. Two compression springs ensure a secure fit within the replica. Suitable for use with nozzles measuring between 21.00 and 21.25 mm. Additionally, the design enables the installation of a ball illumination module (not included).

Intended for Specna Arms and Tokyo Marui standard M4/M16 replica carbines (excluding KWA), equipped with a V2 gearbox.

Set includes:
- CNC-manufactured chamber featuring a BB Latching system,
- transparent vinyl CNC cover,
- 2.5 mm CNC brass side wing,
- CNC steel Pivot Pin,
- CNC aluminum HopUp arm,
- CNC aluminum Soft Round Nub,
- CNC aluminum Soft Flat Nub (4 mm),
- CNC aluminum Hard Concave Nub (4 mm),
- steel Nub Spring,
- CNC steel spring guide,
- steel upper compression spring,
- steel central compression spring,
- CNC Delrin Locking C-Clip,
- CNC brass Barrel Spacer,
- brass Spacer Holder O-ring,
- CNC aluminum adjustment knob,
- CNC aluminum Inlet Adaptor (11 mm),
- CNC brass Inlet Spacer.

Technical data
Material: 6061 aluminum
Color: red
Length: 51.65 mm
Height: 37.75 mm
Outer diameter of the chamber (gearbox side): 11 mm
Outer diameter (barrel side): min. 12 mm
Inner diameter (nozzle side): max. 8 mm
Outer diameter of the ball feeder (magazine side): min. 8.85 mm
Feeder length (to magazine): max. 6 mm
Weight: 20 g
Manufacturer: Specna Arms/Maxx Model Products

More Information
EAN 5902543990068
Manufacturer code MXM-08-035390
Brand Maxx Model Products

Reviews with photos

Review summary

Automatically prepared based on reviews

Number of reviews: 6

  1. P...
    100%

    There is no chamber like this one! In my M4, it works like a charm. The replica has gained new life. In the segment of these premium chambers, you can't go wrong, but well, that's expected. It's an absolute classic!

  2. N... Review confirmed by purchase
    100%

    I am very satisfied with the performance of the chamber used in the Specna Arms SA-P27 PRIME Aster II AEG replica. Both the barrel holding and the operation itself have improved the replica's performance. The chamber is definitely worth recommending to others.

  3. M... Review confirmed by purchase
    100%

    The color is great, it matches the Specna Arms SAEC receiver, and with the Maxx Model 21.25mm nozzle in the Orion V2 Gearbox, it provides excellent airtightness, and most importantly, the BBs don't fall out, which improves reaction speed in situations where quick magazine changes are crucial.

  4. R...
    100%

    It greatly improves the replica's performance, it's a solid and well-made product. The price is reasonable for the quality, and finally, the BBs don't fall out when removing the magazine. I highly recommend it to everyone.

  5. M... Review confirmed by purchase
    100%

    I highly recommend this hop-up chamber, well made, everything matches the description. It worked perfectly for me in a G&G replica along with a nozzle from the same manufacturer and an SHS head set.

  6. M...
    100%

    Very well-made chamber, seals the system perfectly. You need to remember to use it with a 21.25 mm nozzle.

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