RE: smokeless powders
Accurate Arms 5744, and Vihtivouri 110 (for 250gr) and 120 (for 300gr), seem to be becoming a few of the top choices in powder for the 10ml. Although these may not be powders you already have lying around they are certainly worth the small investment.
The reason for this is the fact that a small cadre of shooters have already spent countless hours doing alot of the preliminary and even advanced testing of these powders with almost all readily available bullet/sabot combinations.
The ability to access all their findings on the internet means that almost any relatively knowledgable shooter could expect to get sub 2mao groups within their there first fewtrips to the range.
JC
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