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+--- Thread: Scratches and marks in AR chambers..... What is excessive and what is OK? (/showthread.php?tid=16922)
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Scratches and marks in AR chambers..... What is excessive and what is OK? - 41bear - 08-25-2018
BluntForceTrauma Wrote:On a related note, in my issues with Faxon's nitriding vendor (now fired) leaving residue in the chamber and having to polish it out, they recommend spinning a ball hone in the chamber for about a minute and 30 seconds.
See attached photos for the model used for Grendel chambers. Costs about $20 directly from Brush Research Manufacturing (BRM) with $10 shipping for $30 total.
See VIDEO HERE on how to use it.
I've used this on 2 barrels, the 12.7 GB and the el cheapo Anderson, it works great. An nice addition to the AR tool box just go slow and check often.