IMR 4320 POWDERS | Sinclair Intl

Short grains meter easily, and the medium burn rate is perfect for cartridges in the .223 Remington, .22-250 Remington, and .250 Savage class, as well as vintage cartridges like the .300 Savage

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