The charge bars that Star Machine Works currently offers are all machined to accept bushings. I have "0", "00". 1/2" and 5/8" charge bars available. Prices vary depending on the size, but a "00" charge bar with one custom bushing is $35. Additional bushings are $7 each. I use the published VMD to calculate the appropriate hole size.
As to the original question, Star Machine Works made powder bars for all common powders, but the Bullseye "BE" were the most common.
Bruce