There are already such good options that I don't see why someone would want to put that much brass prep into a semi-auto.
Any of the other options like 6.8 SPC, 6.5 Grendel, 7.62x39. Any of them can be wildcat'd easier.
Not to mention the WSSM's that already exist if you're looking for more horse power with lighter bullets.
I don't know if anyones done it, but I would assume that it's because the juice ain't worth the squeeze, so to speak.