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Old 06-17-2021, 01:28 PM
col b col b is offline
Join Date: Feb 2010
Location: Huntsville, AL
Posts: 3,387

I had a problem with a drill rifle I machined for a BM59. Had a weld in oprod channel that parked darker than rest of rifle. I dipped it in Lauers "blackening solution" for 10 seconds, parked and the whole receiver matched the darker color perfectly.
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