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5/8-24 TPI Filter Cap (Aluminum)

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  • 5/8"-24 Threads per inch muzzle end filter cap (Aluminum)
These parts are for Wix 24003, 24744 / Napa 4003, 4744 filters only and may not fit Chinese after market filter tubes.
  • These parts are for Wix 24003, 24744 / Napa 4003, 4744 filters only and may not fit Chinese after market filter tubes.
  • These parts are for Wix 24003, 24744 / Napa 4003, 4744 filters only and may not fit Chinese after market filter tubes.
  • All of our Wix / Napa parts are designed to fit Original Wix / Napa filter tubes.
Part numbers, Wix 24003, Wix24744 / Napa 4003, Napa 4744. The filter tube dimensions and threads are identical on all of these part numbers. The only difference is the internal filter micron measurement.
Twin Tech Tactical
RRP: $29.50
$27.03 (You save $2.47)

 Product Description


These WIX 24003, 24744 / NAPA 4003, 4744 filter caps allow you to attach a WIX / NAPA filter assembly directly to your muzzle thread without the use of an adapter. They are made form 6061 T6 aluminum and are less than 1/2 the weight of our stainless steel filter caps. Weight 2.2oz. (62grams)

You can choose from (1/2-28), (1/2-36), (5/8-24), (13/16-16) caps for the muzzle end of your solvent trap, and 1/8”or ¼” female pipe threads for the drain end of your solvent trap. You can also purchase a solid cap with no hole if you don’t need a drain.

These parts are for genuine Wix 24003, 24744 / Napa 4003, 4744 filter tubes only and may not fit metric Chinese after market filter tubes.




BUYER UNDERSTANDS THAT THESE PARTS ARE NOT SUPPRESSORS AND OR SILENCER PARTS IN ANY WAY SHAPE OR FORM.  Buyer fully understands that they waive their rights to ANY claims against Twin Tech Tactical for ANYTHING. These parts are sold for the intended purpose of cleaning firearms and solvent storage ONLY! In other words Twin Tech Tactical is not responsible for how these parts are used or modified after you receive them. Any modification to, or misuse of our parts is the sole responsibility of the purchaser. Twin Tech Tactical and its employees are not responsible for the actions of their customers or the manner in which they use our parts and will NOT accept any liability in any way morally, legally, or financially. These parts are legal to posses and use as sold, and we assume and expect that all of our products purchased by you are used for their intended purposes only and discourage any modification or misuse of any kind.

By purchasing our products you agree to the Terms of this website.

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 Product Reviews

  1. Very pleased

    Posted by Hunter on Jun 9th 2018

    I can't say enough about the quality and fit of this product. You won't be disappointed.

  2. Quality workmanship

    Posted by Unknown on Mar 3rd 2018

    Fits my .308 perfectly for trapping the solvent when I clean it, using the Wix 24003.

  3. Works good

    Posted by JP on Dec 13th 2017

    Works good nice fit with the 4003 Napa filter.

  4. Fit Like a Glove, Beautiful Too

    Posted by SgtMagusUSMC on Oct 1st 2017

    This piece of aluminum is perfectly threaded and has an aesthetically pleasing appearance when attached. It is lightweight and when fully assembled can look very nice, especially if you resurface your solvent cylinder. I painted mine with Plasti-Dip and it is perfect for a tacky surface. Very easy to turn into a great trap especially with the 5/6 stage filter system. Would recommend every serious customer buy now while supplies last.

  5. Works fine

    Posted by Unknown on Aug 29th 2016

    Good product, better quality and price than amazon options.

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