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Posted: 1/30/2023 3:22:18 PM EDT
Is this like dry lube or something? It's my friends brand new 20" FN upper and he said you can't feel it like you would a deep scratch.
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Posted: 1/30/2023 4:12:36 PM EDT
[#1]
Looks like machine marks to me.
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Posted: 1/30/2023 5:14:30 PM EDT
[#2]
Looks like dry lube to me. They just spray it in there and sometimes it runs.
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Posted: 1/31/2023 3:47:38 AM EDT
[#3]
Agree with dry lube.
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Posted: 2/8/2023 4:54:32 AM EDT
[#4]
Quote HistoryQuoted: Agree with dry lube. Same |
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Posted: 2/9/2023 4:33:34 PM EDT
[#5]
Dry Lube. Had the same on several different uppers through out the years
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Posted: 2/9/2023 11:00:49 PM EDT
[#6]
Have you tried to clean it with some solvent or clp?
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Posted: 2/11/2023 8:43:18 PM EDT
[#7]
Quote HistoryQuoted: Have you tried to clean it with some solvent or clp? He couldn't get it cleaned off. He had another issue also so he sent it back. |
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Posted: 2/11/2023 8:46:09 PM EDT
[#8]
Looks like it needs to be shot. A bunch.
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Posted: 2/13/2023 7:13:44 PM EDT
[#9]
Quote HistoryQuoted: Looks like it needs to be shot. A bunch. That's what I told him. |
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Posted: 2/14/2023 9:29:26 AM EDT
[#10]
Thats weird dry lube usually cleans up easy. What was the other problem?
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Posted: 2/14/2023 5:59:39 PM EDT
[#11]
Quote HistoryQuoted: Thats weird dry lube usually cleans up easy. What was the other problem? Ejector pin came out and scratched up the feed ramp/chamber area. |
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Posted: 3/14/2023 2:29:44 PM EDT
[#12]
My vote goes towards the anodize process. There's a sealant of sorts that's applied, which requires thorough washing, and if not done properly/promptly, will streak as you see. I've sent back more than a few lowers to have the plater redo their "work".
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