IMR 4166 Enduron Rifle Powder 1 lb - 941661

IMR 4166 is an extruded rifle powder featuring Enduron Technology with a copper fouling eliminator and insensitivity to temperature changes. Designed for versatile use in cartridges including .308 Win/7.62mm NATO, .22-250 Remington, .257 Roberts, and numerous other rifle applications. The powder offers ideal loading density and is environmentally friendly.