Quote:
Originally Posted by Salavee
KE is a result of weight and motion or velocity. so the 300 Win mag wins. It delivers much more energy to its destination than a .308 or a 30-06.
A 30-06 is efficient , until it has to go to work and deliver a substantially greater amount of energy,- then the 300 Win takes over. The .308 Win even more lacking than the -06. The governing body's are Chamber pressure and case capacities. A smaller amount of powder used in a small cartridge case does not necessarily make it efficient when it comes delivering High energy bullets. They get super high velocity with their lighter bullets, but not much energy. Hope this makes sense. lol
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But you just moved the goal posts to basically look for the cartridge that delivers the highest KE, and not the highest KE PER GRAIN of powder burned.
It doesn’t take any calculation to realize that a .300 win will deliver higher KE than a .308, at all ranges (assuming constant bullet).
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