SKU: 2430413527

Hop-Up Chamber for AK

Sale price$28.44 Regular price$31.60
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Description

Hop-Up Chamber for AKHop Up chamber for AK airsoft replicas. This new Hop Up chamber is made from EN AW 7075 aerospace grade duralumin, which offers strength comparable to steel with the weight of aluminum, making it the best material for this application. This chamber is precision engineered and custom made to ensure optimal performance and feeding. For the best inner barrel fit, a new innovation has been introduced in the Hop Up chamber the collar nut connection. It is

Hop-Up chamber for AK airsoft replicas. This new Hop-Up chamber is made from EN AW 7075 aerospace-grade duralumin, which offers strength comparable to steel with the weight of aluminum, making it the best material for this application.

This chamber is precision-engineered and custom-made to ensure optimal performance and feeding.

For the best inner barrel fit, a new innovation has been introduced in the Hop-Up chamber – the collar nut connection. It is positioned in front of the Hop-Up chamber. Simply install the inner barrel with the Hop-Up bucking into the chamber, secure it with the C-clip lock, and finally screw it onto the Hop-Up chamber using the collar nut (a 10 mm wrench is required). The collar nut is made from EN AW 7075 aerospace-grade duralumin and, once tightened, seals the inner barrel very firmly. No excessive force is needed when installing the collar nut—apply only light pressure; otherwise, the inner barrel may rotate inside the Hop-Up chamber. The sign of optimal sealing is the reduction of the gap in the collar.

This Hop-Up package includes:

1pcs Hop-Up chamber for AK (anodized, made from EN AW 7075 aerospace-grade duralumin)
1pcs Adjustment lever (anodized, made from EN AW 7075 aerospace-grade duralumin)
1pcs Pressure lever with cut for standard spacers (anodized, made from EN AW 7075 aerospace-grade duralumin)
2pcs M2.5 x 3 mm screws (black chemical finish, steel material 12050)
1pcs M3 x 12 mm screw (steel material with 8.8 strength rating, black chemical finish)
1pcs Plastic C-clip for AK (ABS material)
1pcs Plastic pin (ABS material)
1pcs Rubber O-ring (vulcanized rubber)
1pcs Collar nut (anodized, made from EN AW 7075 aerospace-grade duralumin)

We recommend purchasing a spacer set, Hop-Up bucking, and a spare plastic C-clip lock or collar nut together with this Hop-Up chamber.

The Hop-Up chamber is delivered unassembled, meaning it must be assembled before use.

Warning! Do not use oil or petroleum jelly to lubricate Hop-Up components, as this may damage them and reduce the Hop-Up effect.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 2430413527

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4.7 ★★★★★
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Review Dude
Lowell, US
★★★★★ 5
#1 for #2's
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I like the lack of sweeteners and flavor. I just want the stuff that helps me poop. There is some citric acid in it (no idea why) which gives it a mildly acidic taste. Other than that, it does the trick.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
S
Verified Purchase
Strathmont
Boise, US
★★★★★ 5
Good Stuff
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
If you need more fiber in your diet, you need this. The price is right, it works very well and keeps me regular. I use this instead of the gummies or capsules. That's because you MUST put in in fluid, and hydration is SO important when using a psyllium product as it causes water to be absorbed very quickly once it is ingested, and you don't want to dehydrate! Mixes very well in water and has little to no taste whatsoever. Stay regular, stay hydrated and stay well.
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Reviewed in the United States on April 14, 2026
R
Verified Purchase
Robert
San Leandro, US
★★★★★ 4
Works well, but is now too expensive...
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
The "No added sweeteners" has been my go-to version of Metamucil, but I'm giving it 4 stars and moving on to another brand as the price is over $35 which is too much imo...
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Reviewed in the United States on October 15, 2025
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Verified Purchase
S. E. Seater
San Leandro, US
★★★★★ 5
I like the mildly tart taste of this unflavored, unsweetened drink made up with water.
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I like the mildly tart taste of this unflavored, unsweetened drink made up with water. The texture doesn't bother me, with stirring right from the beginning of adding the water, there is no clumping. After 10 days there is no effect on my bowels which were regular previously anyway. My doctor wanted me to use this although I already have a high fiber diet.
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Reviewed in the United States on April 25, 2026
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Verified Purchase
AB
Cuba, US
★★★★★ 1
Definitely Not Unflavored. This is Tart / Sour, Which Limits the Options to Certain Juices
Flavor Name: Unflavored, Size: 1.46 Pound (Pack of 1)
I was expecting an unflavored fiber powder. However, expect a sour/tart taste. This means you can't add it to tea or coffee. I don't think it is appropriate to say that it is "unflavored" as I've had psyllium husk from other vendors that are truly "unflavored" (i.e. no citric acid). Dextrin (another fiber source) is also unflavored. But this Metamucil is tart (like sucking a lime) and can only be added to tart juices like orange juice or lemonade.
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Reviewed in the United States on May 19, 2026

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