Originally Posted By: Mike BQuestion - if a 223 WSSM is kicking a bullet out @ x fps, and a, say, 220 Swift or 243 Win is kicking a similar weight bullet out at the same or similar speed, shouldn't the "barrel burning" be similar in so far as approximate rounds fired till there is a significant accuracy loss? I'm not experienced at such things and will most likely never fire enuf rounds in one gun to even find out - I'm just asking those who have done it multiple times. Maybe better stated, doesn't a certain amount of velocity, heat and pressure act similarly on similar barrel steels, assuming components are similar. I do realize that different powders may burn hotter or cooler, and pressures at different points in the firing process may vary.
I agree with you 100000% and have asked the same question, but no one has an answer I am willing to believe. It's all about physics, same bullet, same speed, etc.. et.. = same results irregardless of caliber.