I believe if you used the PeaceKeeper in the Custom Class 1 slot it'll replace it with whatever gun was originally used for Custom Class 1, etc. I think when I came back I had the MK48 in place of the peacekeeper. --- PSN - W3tm0G XBL - xM0G
It's a known issue. Treyarch are already working on it. I'd rather wait longer for DLC, etc. than have them release broken product, but w/e. --- If it's true that we learn from our mistakes, then I should be a frickin' genius by now.