If you're new to handloading, there's more to it than just looking up a powder charge and stuffing cases.
Any of the better manuals (Lee, Lyman, etc.) also have great tutorials to get you started on the right path.
When I began loading, too long ago to remember, powder choices were mainly the "holy trinity" (Bullseye, Unique and 2400).
With the plethora of new powders now available, a current manual (or 2) will be exceedingly useful.

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-jwk-
US Army '72-'95