I have been playing with my 375 ultra quite a bit here lately and I have to say it is quickly becoming one of my favorite chamberings. I have been thinking about a new build for some time and I have am thinking I want a long 28-30" heavy barrel 375 or 416 ultra mag. I am going to base my final decision on bullet selection I think. I know about the .375 350gr smk's that are around what other high BC bullets are available in 375? and what is there for 416? I dont want to pay any more than about a buck a piece for bullets if I can help it.