100 grain Hornady and IMR 4350 has been working a long time for both me and a buddy. I've also dabbled with Reloder 17 and the 80 gr TTSX but haven't killed anything with it (yet). That's for deer. For groundhogs, it loves the 85 gr Speer BT and IMR 4895.
BTW, mine didn't seem to like the 95 NBT.
Dale
