Rekraps Posted November 14, 2022 Report Share Posted November 14, 2022 Gentlemen, after hours and hours of "Google" searching, reviewing TM manuals etc. I can find no references at all to manufacturer proof marks on M79 barrels. Mine has a Capital letter "P" with the letters TAP inside the P, and the number "2" under the curve of the "P". Anyone have solid info on what this means? Link to comment Share on other sites More sharing options...
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