Winchester Smokeless Propellants|
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748 is the powder of choice for 223 Remington ammunition. The low flame temperature extends barrel life. It is ideal for a wide variety of centerfire rifle loads, including 222 Remington, 30-30 Winchester, 30 Winchester, and up to 485 Winchester Magnum.
760 duplicates 30-06 Springfield factory load ballistics. 760 has ideal flow characteristics that give it an advantage over other propellants with similar burn rates. 760 in recommended as a choice for 22-250 Remington, 300 Winchester Magnum, as well as 300 WSM.
Supreme 780 is a magnum, sphereical powder that is used in many of Winchester's factory cartridges.
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