re: Ruger 30.06 not grouping well

quote:

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I wouldn't fool with the AC deal. Not worth it and if the barrel was scalded hot and the AC ice cold you could create some residual stresses in the steel.

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I hear what you're saying and I respect your opinion, but that hasn't been my experience. In Louisiana heat, your barrel will never cool down enough after you start shooting without a little help. Comp shooters will actually cool their barrels with water. Then there's that whole water cooled machine gun thing.