Never thought of doing that. I seem to do pretty well just bumping the shoulders back 2 thousands. I can't see my brass wearing out too much faster. Primer pockets end up loose before the case wears out. The tool that really assisted me in setting my dies correctly was this.
http://www.larrywillis.com/
It changed the set up of the dies and really made me precise in shoulder set back so it is consistent and accurate. I get very little case stretch and with the belted mags, head separation is a thing of the past. You can do the same thing with the Hornady Comparator set up, but I hated reseting my calipers all the time, and this sits right next to my press and gives an easy to read digital heads up. I wasn't sure it would be worth it, but I wouldn't want to be without it now. Scotty
http://www.larrywillis.com/
It changed the set up of the dies and really made me precise in shoulder set back so it is consistent and accurate. I get very little case stretch and with the belted mags, head separation is a thing of the past. You can do the same thing with the Hornady Comparator set up, but I hated reseting my calipers all the time, and this sits right next to my press and gives an easy to read digital heads up. I wasn't sure it would be worth it, but I wouldn't want to be without it now. Scotty