They discontinued the 4599 powder. that is amazing power gives fantastic ES. Temp stability is better than RL-16 and RL23. to bad they wont be making it anymore. i use in in my 6.5creedmoor with berger 135's gets me 2950fps 1 hole groups. I only have 2.5lbs of it left I am gonna cry when its gone..........
here is what QuickLoad Says
here is what QuickLoad Says