WHAT DOES H335 VS CFE223 MEAN?

I generally provide 100rds of 26gr TAC below Nosler 55grBT's with me for when We have now a stage exactly where we will likely be taking pictures smaller targets at 100yds or additional.It's not at all important, nor fascinating, to work with magnum compact rifle primers with 223 and H335.   ClarkAll I'm worried about is security, I don't desire t