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  • Our 8mm/.323 aluminum gas checks are made exactly like the copper version. Some prefer the lower cost and reduced barrel fouling of aluminum.
  • 8mm gas checks in aluminum weigh much less than copper making for a good option to lower the cost of international postage.
  • 8mm Caliber Aluminum Gas Checks Are Sold In Reusable Plastic Bags

8 mm /.323 (Tall) Caliber Aluminum Gas Checks


 Product Description

The 8 mm aluminum gas checks are oversized / heavy duty, made tall at .084, have a tight .301 shank size and are about .338 in overall diameter.


If your sizing to .323 / .324 or so we recommend the Gator 8 mm version here: 8 mm / .323 Caliber Gator Gas Checks


The gas checks are sold in resealable clear plastic bags. USPS flat rate boxes and First Class mail are used to reduce shipping cost. Most orders ship in one business day Monday - Friday.


Sold in 4 quantities: 100 for $3.95, 250 for $5.75, 500 for $10.25 and 1000 for $18.50.

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 Product Reviews

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  1. Good product, great service, Fast response! 5 Star Review

    Posted by on Nov 25th 2019

    I liked the aluminum 8mm gas checks you provided for my order. They seem to be a little deeper than the previous order of copper gas checks. It always surprised me how quick your delivery seems to be. You must have a lot in stock. I will continue to order from you because of your reasonable prices and quick delivery. I will also recommend you to my friends.

  2. not much to say 4 Star Review

    Posted by on Sep 27th 2019

    They work, are reasonably priced, and were delivered quickly.

  3. A great deal!. 5 Star Review

    Posted by on Jul 23rd 2019

    I was planning on tooling up to produce my own checks. For the cost of time and money to buy or make my equipment, I can get a lifetime quantity of what I need.

  4. Works for my .32 Remington 5 Star Review

    Posted by on Sep 11th 2018

    Got these for a .32 Remington bullet (.321") and they work fantastic. Checks were consistent and well made. They fit perfectly - crimped on securely and neither came off or were loose enough to spin. I would definitely recommend these.

  5. 8mm aluminum gas checks 5 Star Review

    Posted by on Aug 3rd 2018

    I took 8mm Mauser cast bullet ammo to the range to compare these aluminum checks side by side with Hornady copper checks.
    I couldn’t see any difference in the performance. Accuracy was equally good.
    And I saved a little $$ compared to the Hornady product.

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