WHAT DOES H335 VS CFE223 MEAN?

I do measure each vacant trimmed case with calipers and ensure They are really in just a certain range that's listed from the Hodgdon e-book as well as ensuring the OAL size is in the printed data at the same time.The .223 is slower Understanding for me but is starting to become pretty satisfying. In the event the snow melts I am going to get some