60 grain V-Max
24.6 grains BenchMark (Start at 23.6 grains and work up)
Win or LC uniformed brass
COAL 2.260
CCI BR-4 primers
This is a published Max load for the AR-15 from Sierra load data. It works great in many 1/8 and 1/9 twist barrels. It chronographs @ 3120 FPS from my RRA 24 inch stainless barrel. It seems to work best in rifle length barrels of 18-24 inches.