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Old October 26, 2013, 03:25 PM   #9
James K
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Join Date: March 17, 1999
Posts: 24,383
A heavy barrel will generally shoot better longer because the steel absorbs the heat more slowly. But a friend once had a .308 on a Mauser action with a 22" Herter's barrel he picked up cheap when they went out of business. That was, I think, the thinnest .30 barrel I have ever seen, not even 1/2" at the muzzle.

With GI match ammo, it shot MOA and would do it all day, group after group. Go figure.

(FWIW, the term "bull barrel" has nothing to do with the animal; Freeman Bull, Chief Armorer at Springfield Armory, was a pioneer in the use of heavy barrels for accuracy.)

Jim
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