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Old November 12, 2012, 08:58 AM   #6
Jimro
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Join Date: October 18, 2006
Posts: 6,632
All brass fails eventually. That being said a high pressure round like the 300 Win Mag you expect fewer firings of full pressure loads than something mild like a 30-30.

If you want long brass life, you can load 30-30 pressure levels in the 300 Win Mag, and neck size.

Or you can cram a bunch of magnum rifle powder in it topped off by heavy bullets and "reach out and touch something."

Personally I find that auto-loaders are much harder on brass than any bolt gun.

Jimro
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