IMR 7977

IMR 7977
  • Model | Options: 979771 | 1LB Bottle
  • Model | Options: 979778 | 8LB Keg
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Is the slowest burn rate Enduron Technology powder. It is a true magnum cartridge propellant with outstanding performance in such cartridges as the .300 Winchester Magnum, 7mm Remington Magnum, .338 Lapua and more.