Civil War Gwyn & Campbell Carbines (aka Cosmopolitan, Union, & Grapevine)
This video provides a detailed examination of the Gwyn & Campbell carbine, also known as the Cosmopolitan or Union carbine, used during the US Civil War. It covers the carbine's history, development, operational mechanics, and the differences between Type 1 and Type 2 models. The presenter, Ian McCollum of Forgotten Weapons, highlights its role as an intermediary design between muzzleloaders and metallic cartridge firearms.









