February 19, 2012, 10:37 PM
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#24
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Senior Member
Join Date: November 7, 2008
Location: Shelby, MT
Posts: 1,013
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Quote:
Why do you think high power competition scores jumped up and the same barrels shot smaller test groups when the .308 was first used in 1963? Three years later, the NRA had to make the scoring rings smaller; too many unbreakable ties were shot with the .308.
The most accurate .30-06 match rifles then would shoot about 5 inches at 600 yards properly tested. .308's were shooting test groups about half that size. Same bullets, primers, powder, stock, action and barrel make/taper/bore/groove/twist dimensions; just the chambers and cases were different.
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Although I posted facetiously, thanks for proving one of my points....
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