Take a walk on the wild side and use Alliant Power Pro 300MP. As far as I know I'm the only one who has experimented with. It is similar to H110 so work your way up accordingly. I'm getting 2200 fps out of a 10" with 110 V-maxs. I've went up to 2250 fps, but it was a stout load. I like it enough that I ordered 8 lbs, YMMV.
-Dan
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