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Is this upper thermal fitted ? — 1 Answer

by TyroShot, from FL, United States Asked on March 11, 2026

Name WMD Guns AR-15 Stripped NiB-X Complete Upper Receiver (4)
As Low As $105.99 Save Up to 19%
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Answered by Rick, member, from CA, United States, on April 30, 2026

I used a full nickel version on a build about 6-7 years ago. I did not have to thermal fit the barrel / barrel extension. I don't remember which barrel I used, I think it was an off brand, but not super cheap one.

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