Desert Eagle in .44 mag.
Always used the proper jacketed ammo, but it jammed a couple times per magazine. It went back to MR twice and it still never ran right.
I sold it to a gun store, disclosed the fact it jammed every mag, got hosed on the selling price. It sucked...
"It is better to have a gun and not need it than to need a gun and not have it."
Proud Father of a United States Marine!