imr enduron powder Smokeless Gun Powder 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.
IMR 4895 was originally a military powder used in the 06-30 and was very useful as a propellant with a medium heat rate. From the 17 Remington to the 243 Winchester to the 375 H&H Magnum, accuracy and performance are superb. In addition, it has long been a favorite among competitive shooters.
This fine, extruded propellant is the first in the series of Enduron Technology powders. IMR Enduron 4166 Smokeless Gun Powder The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMR 4166 is the perfect burn speed for cartridges like the 308 Win/7.62mm NATO, 22-250 Remington, 257 Roberts and dozens more. Positively, a versatile, match grade propellant.
Important Information:
- 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
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