PRODUCT OVERVIEW: IMR 4166 Powder 

This fine, extruded propellant IMR Reloading 4166 Smokeless Powder is the first in the series of Enduron Technology powders. The main features of the Enduron series are copper fouling eliminator, insensitivity to temperature changes, ideal loading density and being environmentally friendly. IMR 4166 Powder in stock now for sale 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. Grain shape is extruded (stick)

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