With flake powders, the 209A is the most popular of the recent. There was a guideline that said if you had been heading from almost every other primer towards the 209A, you required to lessen the powder cost by. .5 gr. The OP really wants to go down from thne 209a, not up to it.DanTheFarmer reported: If I sub inside of a Fed 209 A primer as a subst