Vihtavuori offers two rifle powders specifically for the .50 BMG case; 24N41 and 20N29. These are single-based treated powders, having very large grain size and extremely slow burning rates ideally suited to the .50 BMG. They also have some application in a few other very large capacity cases, such as the .338 Lapua Magnum and the .30-378 Weatherby Magnum.
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