IMR 4064 Smokeless Powder imr 4064 is easily the most functional propellant from the IMR line, utilized for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Tremendous Quick Magnum, 308 Winchester, 338 Winchester Magnum, plus the list goes on and on. Versatility with uniformity and precision. This https://georgeo023ggd3.wikibyby.com/user