D Cell Thread Protector Carbon Steel

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D Cell Thread Protector Carbon Steel

The D Cell Thread Protector Carbon Steel are blue heat treated and presently come in 1/2X28 and 5/8X24. These D Cell Thread Protectors fit our special D Cell Solvent Trap tubes. 


  • Finish may vary from images
  • These Are Blue Heat Treated and Presently Come in 1/2X28 and 5/8X24
  • These D Cell Carbon Steel Thread Protectors Fit Our Special D Cell Solvent Trap Tubes
  • Check with your barrel manufacturer to determine thread size
  • Please follow all NFA laws.


Misc Sized - D Cell Thread Protectors - Unfinished Titanium or Carbon Steel Only

Need a DIY Thread Protector? We have Blank D-Cell Titanium Thread Protectors you can tap

12 Reviews Hide Reviews Show Reviews

  • 5
    Sovlevent trap

    Posted by Steven D Jones on Apr 16th 2021

    Excellent product

  • 5
    Top quality work. "Industry best" machine shop practices utilized in production is evident by the finished product. I initially purchased just a tube, less end caps, to see the quality of the work. A few days after the tube arrived, I ordered the

    Posted by John in NM on Jan 4th 2021

    Buy with extreme confidence from this supplier!

  • 5

    Posted by michael mastos on Oct 5th 2020


  • 5
    Thread protector

    Posted by AUSTIN THOMAS on Mar 28th 2020

    I actually ordered this on accident I meant to get aluminum but I'm so happy with the quality and fit I'm keeping it. Super tight and satisfying fit up

  • 5
    Thread adapter

    Posted by Brian Sharrard on Jun 25th 2019

    Fits/works Great!

  • 5
    Perfect fit

    Posted by Zach on Mar 11th 2019

    Fits the tubes sold here perfectly.

  • 5

    Posted by STEVEN NELSON on Mar 1st 2019


  • 4

    Posted by Zach on Feb 23rd 2019

    These caps thread in fine but not very far. Will need a longer spring and/or extra cup to take up the distance the caps don't.

  • 5
    D Cell thread protector

    Posted by John Figueroa on Sep 20th 2018

    Superb quality in both material and craftsmanship