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coyota1, I know those numbers look low (and therefore pessimistic) to lots of folks. But to top-ranked competitors whose rifles shoot test groups into 1/4 MOA at 100 and 200 yards, 1/3 at 300 1/2 at 600 and 3/4 MOA at 1000 and they are able to see when accuracy opens up to a fourth to a third larger when they compete with them, that's not good 'cause they know their scores will suffer if they don't rebarrel right away.
And match barrels heat up the same way as all the others. Match barrel throats wear out the same amount dimensionally per shot as hunting, sporter or plinker barrels. They're all made with the same steel.
I think I explained the differences folks get for accuracy in their barrels with different cartridges earlier. It's a fact of life; all us humans don't have the same marksmanship skills nor the same accuracy objectives for our specific shooting disciplines.
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