I was the world's biggest fan of kimber pistols. Owned 6 and shot them in competition. Today I own none.
At the range for a practice session firing different loads and yes one was reloaded 45. Gun blew up! The frame cracked, magazine blew out and was destroyed, extractors blew off and scared the h**l out of me.
Had the gun examined by two competent gunsmiths and both said "out of battery fire" and suggested I send it back to kimber. Discussed it with kimber and paid $70 for UPS to return the gun. Kimber said "bad ammo". That I am sure is possible but a XL650 is used to reload all my pistol rounds and I use a powder check die. They also told me a kimber will not fire "out of battery". Talk about CYA.
Fortunately there was no injuries except for my nose which stopped a piece of the gun.
However, kimber did offer to sell me a new Ultra carry at dealer cost ($750) to keep me in the kimber family.
Result was I sold the rest of my kimbers.