Trailrider #896 Posted December 5, 2020 Share Posted December 5, 2020 4 hours ago, bgavin said: 243 is a barrel burner... it is a large over-bore in the same range as 7mm Ultra Mag, 8mm Remington mag and 300 Winchester mag. 308 is much less a barrel burner, same class as 223 Remington, 7mm-08, and 416 Ruger. My interest is prairie dogs, and 243 has better ballistics than 223. I found some very nice 75% published loads for 243 to throttle back some of the chamber wear. Wherever did you get the idea that a .243 Winchester is a "barrel burner"? You may be thinking of the .264 Winchester Magnum, which, in the days before some of the ultra-slow-burning powders was over bore. Since Anvil Al already made his choice, what we would recommend is moot. Had I chimed in in a broader category, I'd have recommended 6mm Remington, with a long throat that could handle 100 gr. bullets as well as lighter, or my own choice, .30-06. But for Al's purposes, the .243 will do just fine. Stay well and safe, Pards! Link to comment Share on other sites More sharing options...
bgavin Posted December 5, 2020 Share Posted December 5, 2020 You are more than welcome to do your own research into 243 being barrel burners. 264 Winchester is even more of an overbore than 243. Link to comment Share on other sites More sharing options...
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