I'd go AE30.
When I spoke to Ron Allen about his cans he said that if the bullet fit down the bore he would honor the warrantee. I asked about the 22-250 or 22/6.6x47 Lapua, no problem, in his AE22 and when we talked about 30 caliber he mentioned if I wanted to put an AE30 on a 16" 300 RUM that...