This video delves into the development of Colt's early external piston rifles, specifically the M5 and LE 1020. It highlights the design philosophies of engineers like Greg Grechenko, the technical differences between the M5 and LE 1020, and the reasons behind the M5's cancellation. The SCW stock development is also explored as a separate but related project by Grechenko.
This video details the historical development of Colt's external piston AR-15/M16-pattern rifles, tracing the lineage from early prototypes in the late 1960s through various iterations and programs up to the modern LE 6940P. It highlights the technical challenges, design choices, and market pressures that influenced Colt's approach to piston-driven firearms, contrasting them with competitors like HK and FN.
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