I use 10 gr Universal in the 308 with 165 gr cast bullets for plinking loads, runs about 1440 fps.
Is this something you came up with through experimentation, or did you get it from a source?
I should hope a "source" would come up with something through experimentation.
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. -Ernest Hemingway The man who makes no mistakes does not usually make anything.-- Edward John Phelps
