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1/2-28 TPI Filter Cap (Stainless steel)

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  • 1/2"-28 Threads per inch muzzle end filter cap
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Twin Tech Tactical

 Product Description


These WIX 24003 / NAPA 4003 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 416 Stainless Steel, use the same o-rings and are much more corrosion resistant and durable than the original aluminum caps.  Weight 6.8oz. (193grams)

You can choose from (½-28), (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.



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

Showing reviews 1-10 of 11 | Next

  1. Very nice machine work

    Posted by Coggy on Mar 23rd 2018

    works and looks very good

  2. Quality

    Posted by Ray on Mar 22nd 2018

    Well made quality product

  3. Awesome product

    Posted by Roger Glynn jr on Feb 24th 2018

    High quality product. Great craftsmanship, you can tell these products are made by someone who cares about what they do. I love how they look. Very high quality. Will definitely be buying more.

  4. Perfect !!!!!!!

    Posted by Unknown on Oct 22nd 2017

    The machine work is second to none. Nice fit ,looks great but the main thing it does what it was made for . The fast shipping from you guys is a plus 4 sure. I will be a regular to check on the new items or to purchase . Triple " T" u guys Rock.

  5. Great!

    Posted by Jose on Aug 22nd 2017

    The machine work on this is great! Awesome piece , fast shipping and great customer service. Will be buying more.

  6. Perfect

    Posted by JJ on Jul 24th 2017

    The machining was very professional and very well made. Threads are perfect and no issues. Payment and order was fast. Shipping was very good.
    Overall, good fast emails, fast order and perfect fit! I would buy again


    Posted by Hammer77 on Jun 10th 2017

    This place know whats up in the Solvent Tank world. Works great and they ship super, super fast.
    I highly recommend this company.
    I"m 58 and have worked at my friend's tool & die shop twice, for several years. I know tolerances and quality.

  8. Very nice product

    Posted by Will Carter on Jun 7th 2017

    Very nicely machined. Top of the line product. Can't beat the free and fast shipping

  9. Quality

    Posted by HUGO on Mar 27th 2017

    Excellent fit, quality of material and detail is on point. Won't be disappointed.

  10. perfect product

    Posted by Unknown on Sep 7th 2016

    Absolutely perfect in every way! Extremely fast shipping, I ordered them 2 days after I ordered the 4003 filter and storage cups off of Amazon and they all arrived the same day. Twin Tech Tactical is an Excellent company to deal with and I will use them again in the future.

Showing reviews 1-10 of 11 | Next

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