PRODUCT OVERVIEW

IMR Enduron 7977 is a slower 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, among other cartridges.

Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb uniformity and accuracy.

The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and 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.

Available in 1-LB and 8-LB containers.

IMR 7977

Production of IMR powders dates back over 200 years when the company was originally founded by E. I DuPont. Available for use in many reloading applications, the IMR series of powder is trusted by reloaders all across the globe.

The slowest burn rate of 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”!

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