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 the 270 Winchester, 30-06, or 300 Winchester Short Magnum.
The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density, and being environmentally friendly.
This propellant performs comparably to Hodgdon H4350, but charge weights are materially different.
IMR Enduron 4451 Available in 1-LB and 8-LB containers.
IMR Enduron 4451 Product Overview
IMR powders have been manufactured for nearly 200 years since E.I. DuPont founded the company. The IMR powder line is trusted by reloaders worldwide for use in a variety of reloading applications.
Copper fouling eliminator, temperature insensitivity, optimal loading density, and environmental friendliness are the essential qualities of the Enduron series. During a heatwave, sight in your gun; fill in your tag when it’s below zero. IMR 4451, another extruded powder from Enduron Technology, excels in the venerable.30-06, 270 Winchester, and.300 Winchester Short Magnum, to name a few. This fuel is excellent for various cartridges with a mid-range burn speed.
- Do not exceed the loads displayed in the reloaders guide
- Never mix any two powders regardless of type, brand, or source
- Never substitute any smokeless powder for Black Powder or any Black Powder substitute