I carry Winchester Ranger T 230gr in my CCO. Most modern 1911s don't have much in the way of problems with most modern JHP ammo. But you won't know till you try it. Federal Hydrashocks are also worth a look as well.
MSgt, USAF, Retired
NRA Life Member
The hardest thing to explain is the glaringly evident which everybody had decided not to see. - Ayn Rand