TAC works great, but Benchmark , although not ball, is my favorite for .223 rem. Its accurate, good velocity, and meters well.
Benchmark is excellent, and it does meter nicely (maybe just not quite as smooth as H335, but not a problem). AR-Comp is an excellent powder, too. It's not quite as smooth metering as Benchmark but it's not nearly as balky as Re15 and the like.
