I use Benchmark or H4895 in a custom built .223 and 1/4" 5 shot groups are to be expected. Just for the heck of it I tried some H322 with 50 grain bullets that I had left over from my .222 reloading days and wow, 24.8 grains H322 and 50 Hornady gave me 5/16 and 3/16 on the first two targets.