Re: .243 superior to .260
looks opposite to me. I HAVE NO EXPERIENCE LOADING EITHER OF THESE, but looking at Hornady's 7th edition, 243win 95-100gr SP(b.c. .381) bulletts, MAX load of 42.5-47.9 grains of powder gets 3000fps
260 Rem95-100 gr SP (b.c. .358) only takes 38.1-46.4 grains to reach 3000fps, and can reach 3100fps with 39.5-41.8 grains and Max load 3200fps with47.4-49.4 grains.
Apples to apples, same bullet, (slight dif in b.c.) = 200fps for 260 Rem. These were the only bullet wts. that lined up across the board in this book.
6mm(243) vs. 6.5(264) Both based off the parent 308 win case.This should be a good arguement for the small bore guys, I cant wait to learn something from this one. hmmmmmm
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