I put a Savage Four Tenner in a 16 gauge Fox I have for woodcock hunting over pointers.

First shot is .410, the second 16 gauge. Buddies think I'm crazy but I'm enjoying getting rid of an old supply of .410 shells and the pattern is great in the 15-20 yard range.

[Linked Image from live.staticflickr.com]

"Somehow, the sound of a shotgun tends to cheer one up" -- Robert Ruark