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Bore Lapping
 Moderated by: Timberghozt
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 Posted: Sun Jan 18th, 2015 05:56 PM
   
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Rockydog



Joined: Tue Jul 26th, 2005
Location: 160 Miles SW Of The Frozen Tundra, Wisconsin USA
Posts: 15021
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Are you a handloader?: Yes
Favorite type of cartridge to load?: I load everything!
My favorite chambering is:: 8mm Mauser
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If you are interested in smoothing out a rough bore here is the proper way to go about it. An excellent post by Big Joe in the Smithing Forum. Linked here for archival: http://www.handloadersbench.com/forum102/35889.html



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“Those that beat their rifles into plow shares will plow for those who didn’t”. Jefferson

Light hunting rifles; Gravity is permanent, recoil is temporary.Your Choice


 Posted: Sun Jan 25th, 2015 02:30 PM
   
2nd Post
swampshooter

 

Joined: Sun Aug 3rd, 2008
Location: Texas USA
Posts: 7069
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Are you a handloader?: Yes
Favorite type of cartridge to load?: I load everything!
My favorite chambering is:: .204, 284, 7RM, 30/06
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Hand lapped custom barrels are made .005" or so undersize then hand lapped to the proper size. Wouldn't hand lapping an already correctly sized barrel just create an oversized barrel?
I've fire lapped several barrels in the past. They get smooth, but oversized. I have had good luck on several barrels by JB'ing for about 300-500 strokes. The barrel gets reasonably smooth and is not enlarged appreciably. Of course the best solution is to get up off your wallet and have a quality custom barrel put on your rifle. What a joy it is to work with a good custom barrel compared to the frustrations of trying to get a factory barrel to shoot good. But, to each his own. Different strokes for different folks. :wink:



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