I have the 31141 HP and like it very much. Mostly I've shot that bullet in my .30-30s. At 2000 fps it is a real bomb, and is probably best reserved for varmint hunting. At more moderate velocities (like 1600-1700 fps) it is a dandy hunting bullet. For a few details, see:
http://www.leverguns.com/articles/fr...llowpoints.htm