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Posted: 8/24/2004 6:07:42 AM EST
BM 16" HBAR. Functions flawlessly on XM193/Q3131A/Wolf. About 1000 rounds through it so far.

Problem: I have noticed a moderate wear spot on the inside of the upper. The spot is oppsite the ejection port, just behind a cut-out I assume is for the cam pin to function, just below the channel that the charging handle functions through. The bolt carrier/base of the gas key/cam pin also seem to have some wear on them where they would possibly rub this area. I would describe the wear as a little more than peening.

Is this regular break in?
Link Posted: 8/24/2004 6:26:18 PM EST
Link Posted: 8/26/2004 6:07:00 AM EST
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