IMR POWDERS IMR 7828 POWDERS | Sinclair Intl

Magnum powder for the big boys! A highly-regarded powder for the large, over-bored magnum cartridges such as the .300 Remington Ultra Magnum, .30-378 Weatherby Magnum, and the 7mm Remington Ultra Magnum.

Big Book Catalog, Issue:68, Page:545
Sinclair, Issue:5B, Page:093
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Size: 1 lb

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Size: 8 lb