Hello to all! This is just a WAG...but it is possible that the ring occurs when at some point in the manufacturing process, the chamber is prebored for stock removal... if done with an out of tolerance tool it could cut to deep for the finish reamer to clean it up... since it doesn't affect function...it was probably overlooked during the inspection process..."If it ain't in the plans, it ain't supposed to be there!" till...later....GT <img border="0" alt="[jumper]" title="" src="graemlins/jumper.gif" />
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