Had a lot of fun working up loads in my Kimber Montana 300 WSM and Tikka. I shot hundreds of loads over a two year period and found that for these particular guns H4350 worked best for accuracy, consistency, velocity for the 150, 165, 168, 180 TSX, 180 Partitions.

IMR 4350, 4064, RL 15,17,19,22, W760, H4831, Varget are the powders I tested. Spent many a day at the range and many an evening stuffing cases. Pages of notes. Was the most extensive, comprehensive testing I have done. Whole lot of fun. Traded the Tikka and kept the Kimber.

H4350, 180 TSX, Winchester case, Kimber 8400, 300 WSM - My Moose Mashin Mix. The 180 TSX loads are compressed. I don't publish how much powder I stuff into that case but H4350 really works best over all for me in this rifle.

YMMV Best to you.
Jim

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