WHAT DOES H335 VS CFE223 MEAN?

I began capturing Pdogs with tac. Shot great and everything stuff. The following yr, I could not uncover any so I checked the melt away charts and here is H335. Tried it and received the EXACT same pace with the very same powder demand of tac.Quoted: H-335 can be a vintage .223 Rem powder and was oft proposed by ballistician Ed Matunas who did seve