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Search: Posts Made By: Gappa
Firearms Forum: General Rifle Discussion 06-18-2012, 02:30 AM
Replies: 11
Views: 1,025
Posted By Gappa
question about breaking in a barrel

They say that the sharp edges on the rifling are very important and not to wear them down by using grit or fire lapping. So if the sharp edges are so important what about polygonal bores?? they have...
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