This video explores an experimental primer-actuated semi-automatic conversion of the Springfield 1903 rifle from the 1920s. It details the unique operating system where the primer acts as a piston to initiate the cycling process, a concept explored by inventors including John Garand in early prototypes. The video highlights the reasons for its abandonment, such as inconsistent performance and the need for specialized ammunition, emphasizing the historical context of US military interest in converting existing bolt-action stockpiles into semi-automatic rifles.
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