Confederate Revolver Le Mat 1856. The LeMat revolver was a .42 or .36 caliber cap & ball black powder revolver invented by Dr. Jean Alexandre LeMat of New Orleans, which featured an unusual secondary 16 gauge smooth-bore barrel capable of firing buckshot. It saw service with the armed forces of the Confederate States of America during the American Civil War of 1861–65.:
Bloodstains and Bullet Holes: Rare Civil War Artifacts by Henry Leutwyler
A Savage revolver, one of manufactured during the Civil War with the vast majority used by Union soldiers and a LeMat revolver, developed by Dr. Jean Alexandre LeMat of New Orleans, LA. and used by the Confederates. -- Got that Outlaw Josey Wales vibe!