Alliant's manual only shows a few loads for Reloder 7. The 300 grain bullet calls for 42 grains for Trapdoors, and 47 grains for Lever guns, for the 350 grain SP in Trap Doors, it calls for 35 grains.
For Reloder 10x they show 44 grains for the 400 grain SP in Levers and 39 grains for Trap Doors. There are some loads in Loadswap that you might want to check out. All of the loads I listed are "max" and need to be worked up.
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