IMR 7977 Enduron Rifle Powder 8 lbs - 979778

IMR 7977 is the slowest burn rate powder in the Enduron Technology line, designed as a true magnum cartridge propellant. It features a copper fouling eliminator, temperature insensitivity, and ideal loading density for cartridges such as the 300 Winchester Magnum and 7mm Remington Magnum. The powder is environmentally friendly and comes in an 8 lb can.