Hi Happy,
I am about to load a batch of 55gr, Nosler, Solid Base, boat tail, Spitzers. I don't know whether you can still buy them now. I have a few less than 100 left.
27.5 gr of BL-C 2. Behind them. I havn't loaded this powder before myself. But recently I was giver 20 rounds to try. They appear fast and accurate.
I have been using Nosler Partitions 60gr but I thought they were a bit hard. I didn't have them going fast enough either I felt.