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Thread: Clean Bore
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Old 05-05-2005 | 01:33 PM
  #14  
bigcountry
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Default RE: Clean Bore

No, its the steel being scratched. Just saw this, this weekend on a Dan Lilja barrel. Saw before and after. You can have 59Rockwell ATS-34 steel and a bronze brush will scrath it if rubbed hard enough
 
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