R.R. Shifter #7 Flintlock

I couldn't really tell what caliber this is. I'm guessing the same caliber as the round serving as the key-ring fob.

Wouldn't it be interesting that if you pulled that set-screw off of the back of the front stock, then pulled the whole assembly barrel first off the shaft of the tranny and loaded your key-fob round that you'd have a working heater! Kinda' like a Barney Fife rat rod shifter.

I'm just sayin'.....