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Posted: 4/22/2016 7:23:12 PM EDT
Noticed some peening on a bbl extension lug on my BCM upper. It has around 900 rounds through it. Would this concern you guys?
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Posted: 4/22/2016 7:41:56 PM EDT
[#1]
i'm not an expert but i would polish up that edge, check the lugs on the bolt and if it all looks good call it a day. looking at the extension/chamber area, do you ever clean that thing? LOL it looks like it came from a mud hole.
 Bruce |
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Posted: 4/23/2016 5:45:16 AM EDT
[#2]
Maybe it's the angle or something, but I don't see peening. Is the edge of the lug curled over? If not, it's just wear and I wouldn't worry. Check the bolt lug that sits under the extractor for deformities, which you should already be doing when cleaning, and enjoy it.
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Posted: 4/23/2016 9:59:17 AM EDT
[#3]
Doesn't seem too bad, I'd check the bolt lugs to see if there is any wear or burrs. You could clean it up with a jewelers file but personally I wouldn't worry about it, just keep an eye on it.
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Posted: 4/29/2016 8:47:58 PM EDT
[#4]
Wondering if anyone else has any experience with this?
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Posted: 4/30/2016 10:43:42 AM EDT
[#5]
Ask BCM. Or post it over in their industry forum
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