1954 Remington Wingmaster 12bore.
Picked her up looking rather abused, wrapped in a bathroom towel:

Ok, this rust is worse than I thought:

A soak in some malt vinegar, and a scrub with a wire brush:

And we're ready for some fun with acid:

After 5 Acid/Boil cycles:

After baking on a linseed oil finish, new stock, shortening the barrel down a bit, and a fancy glow-in-the-dark bead:


