Thread: 9mm Bore brush
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Unread 03-13-2002, 06:10 PM   #2
Johnny Peppers
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Default Re: 9mm Bore brush

Apparently the 9mm bore brush you bought was mis-marked. It should be smaller than the 10mm. The bore brush should be just over bore size so that the bristles are nearly 90 degrees to the bore. If too large a brush is used, the bristles lay over and do not scrub the bore as well.



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