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Bore Polishing/Fire Lapping and velocity
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Furor
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posted
I have seen some information on lapping and its effect on accuracy but does it also increase the velocity of the bullet? If so, how much? I know that some barrels shoot faster than others, I assume this must be because there is less resistance on the bullet when it is fired. What are your guys thoughts on this subject? It would be interesting to take a new barrel and fire lapp it extensively stopping occasionally to get velocity readings, has anyone ever tried this?
 
Posts: 215 | Registered: 22 June 2004Reply With Quote
bowhuntrrl
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I can't exactly answer your question, but close. I took a new Savage in .300 Ultra and firelapped the barrel as I broke it in. I didn't like the looks of the barrel(rough) inside, so I figured I had nothing to lose. Thing is, I don't know what it would have done beforehand, but now it is a "fast" barrel and shoots .5 MOA or less. I used the David Tubbs system.

bowhuntrrl
 
Posts: 931 | Location: Somewhere....... | Registered: 07 October 2002Reply With Quote
wallyw
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Quote:

I have seen some information on lapping and its effect on accuracy but does it also increase the velocity of the bullet? If so, how much? I know that some barrels shoot faster than others, I assume this must be because there is less resistance on the bullet when it is fired. What are your guys thoughts on this subject? It would be interesting to take a new barrel and fire lapp it extensively stopping occasionally to get velocity readings, has anyone ever tried this?



I fire lap barrels that foul easily. Haven't seen a measureable difference in velocity.
 
Posts: 472 | Location: Oregon | Registered: 08 March 2002Reply With Quote
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