Some labels say that it is safe, up to and including .50 cal. I know a group of Buckskinners that use FFFG, in their .54's
Ozzieman said:The only lube I use is anything I have on hand like Windex or some other liquid cleaner.
mustanger said:okey, how about barrel length? Usually just a technical question, because most barrells are short, for bp. The slower burning FF would push longer, so you don't have friction slowing down a free traveling ball. ????