IMR 4166 is a versatile, temperature-insensitive rifle powder designed for precision and consistency across a wide range of conditions. Part of the Enduron® series, IMR 4166 offers clean burning, reduced copper fouling, and exceptional accuracy for cartridges like .308 Win, .30-06, and .223 Rem. Ideal for competitive shooters and reloaders seeking stable performance and superior ballistic results
In Stock
Price range: $99.98 through $349.99
This fine, extruded propellant 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. Powder 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.
| Qty | IMR 4166 – 2 lb, IMR 4166 – 8 lb |
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