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Old January 8, 2013, 08:30 PM   #13
Bart B.
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Join Date: February 15, 2009
Posts: 3,816
yggorf, your fired cases will shrink enough from the chamber walls that those rough marks won't hurt a thing. Besides, they help hold the case in place and reduce back thrust on the bolt face. Chamber walls too smooth is not a good thing.
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