The Marlin Model 1917, a licensed Colt Model 1895 'Potato Digger' variant, was a significant early gas-operated machine gun. Initially adopted by the US Navy, it later served as a crucial training weapon for the US Army during WWI due to Colt's production constraints. A redesigned aircraft variant with a linear gas piston was also produced, highlighting its adaptability.
The Marlin Model 1917 is a licensed copy of the Colt Model 1895/1914, itself an evolution of the original Colt 'Potato Digger'. It features a unique gas-operated system using a swinging lever mechanism, distinct from typical gas pistons. This lever, when activated by gas tapped from the barrel, cycles the action, earning the 'Potato Digger' nickname due to its violent movement potentially digging into the ground.
The Marlin Model 1917 (7MG) is a WWI aircraft machine gun based on John Browning's Model 1895, redesigned by Carl Gustaf Swebilius for aircraft use. It features a straight-acting gas piston, a tilting bolt, and a unique synchronizer mount for firing through propellers. Early models had extraction issues resolved by adding weight to the gas piston. Its belts have distinct cartridge spacing, making them non-interchangeable with later designs.
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