I have a winchester M70 lefthand safari classic in .375 H&H magnum. The barrel is the roughest hunk of junk I ever owned (1 shot and the lands look like copper railroad tracks in a tunnel). The chamber is out of spec in the neck also (looks like a half attempt at a .375 weatherby radius on my brass). It aint worth lapping to save it for me since I hate belted mags anyway (only bought it for the action). So here is my question..I want a Brown bear rifle...should I go for a .404 jeffrey conversion which is an awsome non belted powerhouse classic (with ammo available from quality cartridge and A-square)or try a .416 based on the .375 ruger? I am on the fence on this one....404 is expensive but brass should last a very long time loaded at modest pressures for target practice....however if anyone has info on any wildcats of .416 based on the new ruger .375 case that could be an adventure of its own (and could leave bolt face alone at .532"). Brass should be cheaper and more abundant when ruger gets full swing into its .375 production. All opinions are welcome and appreciated.