IMR 4064 Smokeless Powder imr 4064 is the most versatile propellant in the IMR line, used for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Tremendous Brief Magnum, 308 Winchester, 338 Winchester Magnum, and also the listing goes on and on. Versatility with uniformity and accuracy. This https://hubbardy568vxx1.hazeronwiki.com/user