Among the different powders manufactured by the company, IMR Powder 4064 Rifle Powder is ranked as being one of the most versatile. This particular powder is used for reloading .220 Swift, .22-250 Remington, .223 Remington, .243 Winchester Super Short Magnum, .337 Winchester, 66mm Remington, and other cartridges. When it comes to accuracy and uniformity, this powder is a top choice. IMR powders have been manufactured for more than two centuries, all of them being created to perfection and according to strict quality control guidelines. This powder is an affordable option that gets the job done.