The Vihtavuori 20N29 rifle powder was initially developed for the .50 BMG and military applications, with its name derived from Finnish Army standards. This powder is single-based and surface-treated, featuring grain dimensions of 2.3mm in length and 1.3mm in diameter. It exhibits a slower burning rate and larger grain size compared to the N100 series powders. The 20N29 is primarily utilized in large-caliber and magnum applications with heavy bullets, as well as in long-range target shooting. While it is ideally suited for the .50 BMG, it has also earned a strong reputation when used in the .300 Lapua Magnum and .30-378 Weatherby Magnum.

20N29 is a single-base, surface-treated powder characterized by grain dimensions of 2.3mm in length and 1.3mm in diameter

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