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Lapping the barrel of a new gun???

Old 11-01-2005, 06:41 PM
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Join Date: Oct 2005
Location: Indy
Posts: 13
Default Lapping the barrel of a new gun???

I read about this on another site. I was wondering if any of you have done this. Is this really needed? How much more accurate are we talking?

smokeater639 is offline  
Old 11-01-2005, 06:59 PM
Dominant Buck
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Join Date: Feb 2003
Location: Wisconsin
Posts: 21,193
Default RE: Lapping the barrel of a new gun???

Lapping a barrel is a very serious step. I usually consider lapping a barrel as a last step effort when you have tried all other things to make a rifle behave. Granted I have gave a minor lap to a newbarrel that was very ruff.

If you have a new rifle. Shoot a box of maxiball through it. That will usually knock the ruff spots off of it. Also you can shoot roundball to smooth out a barrel. Something I do like to do is take a chunk of Scotch Brite Pad and put J-B Bore Paste on it. Then work the barrel over with that. Usually 50 strokes is a good starting place. It is a very mild lapp and I have noted some dramatic increases in accuracy doing that.
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Old 11-01-2005, 08:04 PM
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Default RE: Lapping the barrel of a new gun???

I use JB's bore bright and usually put 200 strokes thru a barrel when new. Really smooths it out. JB's is very safe. Be very careful with 400 or 600 grit lapping compound. Won't take much to screw up a barrel.

JB's is safe for cleaning out all the muck and gets some rough out. But I would follow cayugads idea. Its not only effective but fun.
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