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Precision Armament M4 Shoulderless Thread Adapter
$19.99 $17.99 Save Up to 25%
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Most Helpful Positive Review Fit a 7.62 suppressor on your 5.56
It works great for me I wanted to put my 7.62 suppressor on a 5.56 AR15 and it was perfect. Don't forget to pick up high temp epoxy to get it to stay on the barrel or you could have it welded on like I did. I also welded the suppressor onto the barrel and now I have a 7.5 inch barrel with a 8.5 inch suppressor on a pistol AR 15 with a "pistol brace" and I only needed 1 tax stamp.
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Seamless change over

by docwong, Verified Owner from CA, United States Written on December 9, 2025
Wanted to try other brakes after12 years but the threads were 1/2 x 32. This adapter made the change over to 5/8 x 24
seamless. Now I have a large amount of brakes to choose from. High Quality part.
Pros:
  • None
Cons:
  • shipping time
Would recommend: Yes
Was it helpful to you? Yes | No

Going to try a different muzzle brake

by doc, Verified Owner from CA, United States Written on December 2, 2025
Going to try a different muzzle brake just for the heck of it. The one I have now on my is threaded 1/2 x 32 pitch. I used the precision armament adapter to switch to a 5/8 x 24 thread . Works great. Now i have more muzzle brake options to try.
Would recommend: Yes
Was it helpful to you? Yes | No
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