IMR 7977 Smokeless Powder Slow Burn Propellant Overview
IMR 7977 Smokeless Powder Slow Burn Propellant;
This IMR Enduron 7977 is the slowest burn rate in the Enduron family.
Loading density is perfect for magnums, contributing to superb uniformity.
This is a true magnum propellant yielding outstanding performance in
300 Winchester Magnum, 7mm Remington Magnum and 338 Lapua, as well as other cartridges.
Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity as well as accuracy.
The main features of the Enduron series are copper fouling eliminator,
insensitivity to temperature changes, ideal loading density and also being environmentally friendly.
IMR 7977 performs comparably to Hodgdon H1000 but charge weights are materially different.
IMR recommends always consulting www.IMRReloading.com for the most accurate, up-to-date data.