This video provides an expert-level breakdown of the mechanical differences between the Colt 1860 New Model Army and the 1851 Old Model Navy, focusing on how Colt achieved a larger .44 caliber bore on the 1860 model. The explanation details the use of a rebated cylinder, frame notching, barrel positioning, and forcing cone enlargement to accommodate the larger caliber while maintaining frame compatibility. The presenter, Othais, demonstrates a high level of authority in historical firearm mechanics.
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