I can only speak for competition shooters that have strings of fire of 15 plus rounds in 20 minutes. The BC in the 7mm heavies are somewhat better than the 6.5's, and the 6.5 X 284 is a barrel burner compared to the straight 284. Barrels in 6.5 will last for about 1100 - 1200 rounds before the throat is gone. My 284 barrels all have shot at least 1800 rounds before they are no longer competitive. The Brux barrel I'm shooting now has over 2000 rounds on it shooting Berger 180's at 2770.
Cheers




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