IMR 4064 Smokeless Powder imr 4064 is considered the most functional propellant while in the IMR line, useful for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Small Magnum, 308 Winchester, 338 Winchester Magnum, and also the record goes on and on. Versatility with uniformity and https://maynardr246qsv1.wikicorrespondence.com/user