Winchester 748 Smokeless Powder (1 lb or 8 lbs)
748 is the powder of choice for 223 Remington ammunition. The low flame temperature
of 748 extends barrel life compared to other similar speed powders. It is ideal for a wide
variety of centerfire rifle loads, including 222 Remington, 30-30 Winchester, 308 Winchester,
and up to 485 Winchester Magnum.