Here is a whiskey decanter made with gun enthusiasts in mind. The M16 Rifle Whiskey Decanter comes with 4 bullet whiskey glasses and mahogany wooden base. The glasses have 15oz capacity. The bullets don’t have any gunpowder.
The gun is hollow, so you can fill it with anything you like, including wine, scotch, or bourbon. The M16 Rifle Whiskey Decanter is available for under $90 at this time.