So I've started to do load testing (as compared to just picking a min load and loading 50 rounds at a time; learning curve I guess). I tested a group of .223 50gr HDY VMAX over 22.5,23.5,24.5,25.0,25.3 gr H335 (all in line according to HDY 7th). Weather was clear, calm, and cold, ~30deg. The...