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“Overbore” — A Practical Definition by the Numbers

For "hunting" purposes you can get a long life out of an overbore cartridge if you don't burn a lot of rounds thru the barrel, don't let the barrel cool between shots when sighting in, and/or try to "hot-rod" it with heavy loads.

Several cartridges have gotten a rep for short barrel life when LR shooters have done all of the things I listed.

Besides once you have a good zero all you need is one good when hunting.
 
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