super .338\'s Looking into the possibility of doing a hi-po .338. I want to get 3100 FPS or better with a good 300gr pill. As I see it, my only real options are as follows: .338/300 ultra improved - most likely lacking in enough umph to get me ther, but I may be wrong. .338 LM improved - sounds promising, but may not have quite enough horsepower .338/.378 weatherby - I HATE belted cases, even more so the double radius shoulder!. If this is my only option, I'll go with less HP thanks. .338/416 Rigby improved - this sounds quite promising, but good brass may be a problem. I am currently working on some experiments in extending barrel life to help improve the outlook for overbore fever. If things work out well, barrel life may become of significantly secondary performance. Any thoughts?