IMR Powder – 4451 1lb

IMR 4451 1lb Powder

IMR Enduron 4451 is a versatile, match-grade propellant with a mid-range burn speed in the Enduron line. It is an extruded powder and is perfect for cartridges like 270 Winchester, 30-06 or 300 Winchester Short Magnum, among others.

1lb IMR 4451 Powder