The Elgin cutlass pistol is single shot percussion pistol with a Bowie knife blade attached to the bottom of the barrel. The pistols varied in caliber, barrel type, and blade length. The larger U.S. Navy cutlass pistols were .54-caliber, with 5" smoothbore octagonal barrels, and 11" blades.
Elgin Patent Cutlass Pistol | National Museum of American History
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