IMR Powder 7977 - 1 Pound
IMR Powder 7977 -The slowest burn rate Enduron Technology extruded powder is IMR 7977, and is a true magnum cartridge propellant. It 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. The 7mm Remington Magnum “never had it so good”!
- 1 lb. Can
- Slowest burn rate Enduron Powder
- True magnum cartridge propellant
- Loading density is perfect for magnums