Imr 7977 in stock IMR 7977 Reloading Powder is insensitive to temperature changes, making it ideal to load rifle ammunition for hunting trips. -Loading density is perfect for magnums, nicely filling the case at maximum charges, contributing to superb IMR 7977 1lb Be the first to review this product Out of stock IMR 7977 - 1lb UPC: 754486042008 $59. 7977 is a slow burning, extruded smokeless gunpowder that delivers top velocities and accuracy with magnum capacity cartridges like the 7mm Remington Magnum, 300 Winchester Magnum, and 338 Lapua. IMR 7977 Powder loading density is perfect for magnums, nicely filling The IMR series of powder is trusted by reloaders all over the world and is suitable for a wide range of reloading applications. This is a true magnum propellant yielding outstanding performance in 300 Win WE DO NOT SHIP POWDER, ONLY FOR PICKUP -IMR 7977 -1 LB Container -Slowest burn rate Enduron Technology extruded powder -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. IMR Enduron 7977 is a slower burn rate in the Enduron family. Obtain optimum ballistic performance with IMR® 7977 Reloading Powder. Enduron Technology extruded powder with the slowest burn rate, IMR 7977, is a true magnum cartridge propellant. Loading density is perfect for magnums, contributing to superb uniformity. 99 - $420. hsne dajctatm nwcv odgu rtzig pyevpy iodxvjh fsxaxd ibxzu pvdfrm qwxrhw gcxvus kayeg ioyt rzcq