I normally load the Hornady 220 gr RN with the 40.0 grains of IMR-4350 and a CCI #34 mil-spec primer.  I've been shooting this load in matches for ten years now!  That said, I recently (a month ago) loaded some Hornady 178 gr A-Max bullets with 44.6 grains of H4831SCl.  I'm told this might be a somewhat reduced charge with this powder and bullet combination.  Here's the thread where we discussed this load:    (You need to Login

I haven't made it to the range to try this load out... but I will hopefully soon.  My reason for this is because although my 220 grain round does well enough, I really want to try and tighten up my groupings.  I have a friend who routinely shoots in the 290s with his 1896 Krag at Perry, and he shoots a very light load with a 150 grain RN bullet (he told me his load, and I can't for the life of me remember it).  I tried his load, but it wouldn't group very well in my Krag, so I stuck with my 220s.

By the way, Parashooter is pretty much the Guru around here when it comes to load data and powders!