This expert analysis, drawing on the knowledge of a former Colt employee and AR-15/M4 platform specialist, details the critical differences between legacy Colt LE6920 rifles and current CR6920 production. It highlights significant shifts in manufacturing, component sourcing, and marking standards, moving from robust mil-spec roll marks to laser etching and outsourced parts. The guide emphasizes how these changes impact the rifle's adherence to Technical Data Package (TDP) standards and its appeal to collectors and mil-spec enthusiasts.
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