IMR 4064 is a single foundation, medium-array burn off speed powder and it is Probably the most versatile propellant during the IMR line, employed for 223 Remington, 22-250 Remington, 220 Swift, 6mm Remington, 243 Winchester Super Small Magnum, 308 Winchester, 338 Winchester Magnum, along with the list goes on and on. Flexibility imr 4064 powder with uniformity and accuracy.
Critical Info:

Never exceed the loads exhibited within the imr 4064 reloaders guideline.
In no way blend imr 4064 any two powders no matter form, brand name, or supply.
Never substitute any smokeless powder for Black Powder or any Black Powder substitute.