RCBS Powder bushings are identified by numbers that correspond to the size of their inside
diameter. (For instance, the inside diameter of the #456 bushing is .456 inches.) Bushings
for powder charges in half grain increments.
Charges By Powder: DuPont 800-X 24 Grains, DuPont 4227 37 Grains, Alliant American Select 21 Grains, Alliant Red Dot 18 Grains, Alliant Green Dot 20 Grains, Alliant Blue Dot 30 Grains,
Hodgdon Clays 19 Grains, Hodgdon Universal 26 Grains, and Winchester 571 40 Grains
NOTE:All charges listed are an average of several loads weighed following the complete reloading cycle. Powders used in establishing these loads were from ballistic samples supplied by the manufacturer or sealed tins of recent manufacture. Charges may vary slightly due to operators technique and/or powder variables. Always check actual charge weight against recommended charges and adjust bushing size as necessary.