6mm Caliber Opinions?

Good point Nathan. Is it the grooves oversized or the bore undersized? If it is the bore I don't think it would do much good. Even if you lapped the barrel you still would be tight and have higher than normal pressures.
 
With a lead lap it will lap all of the bore fairly equally. I just don't know if it can be lapped up .002". .0005 to .001 would seem plenty do-able.
 
I think a 6-47 Lapua would be a fun cartridge and it would have low recoil. There are a lot of good choices out there.
 
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