Winchester 748 Powder Available For Sale Winchester 748 Powder is a ball powder and the choice for loading 223 Remington cartridges. The low-flame temperature extends barrel life compared to other similar speed powder. It is also ideal for a wide variety of centerfire rifle loads, including 222 Remington, 30-30 Winchester, 30 Winchester, and up to 485 Winchester Magnum. Available in 1 lb. and 8 lb. containers.
