The slowest burn rate Enduron Technology extruded powder and a true
magnum cartridge propellant. Yields outstanding performance in such cartridges as the 300
Winchester Magnum, 7mm Remington Magnum, 338 Lapua and a host of others. Loading
density is perfect for magnums, nicely filling the case at maximum charges, contributing to
superb uniformity and accuracy
Category: Reloading Powders Tags: IMR 7977 8# Product Type Smokeless Powder, Weight N/A Brand IMR Smokeless Powders Options IMR 7977 1# Product ID: 2157
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