It's faster than everything else,due the burnrate and it's density. ES/SD is dick nothing.
If she were citing Lever' in the application,I'd simply nod my head in concurence,but she's wayyyyyyyy down the totem pole as burnrates go and will smoke herself before it's over.
I shoot Lever' expressly in all my 223's,223AI's,270's,22 Grendels,6mm Grendels,22BR and 6BR's....................