COLT MONOLITHIC CARBINE 5.56 NATO SEMI AUTO RIFLE W/SPORTER QUAD RAIL The Colt LE6940P delivers next-generation AR performance with a precision-engineered piston system and Colt's proven monolithic upper platform. Built as a modern evolution of the M4 carbine, this rifle is designed for shooters who demand enhanced reliability, cleaner operation, and consistent accuracy across a wide range of applications. At the core of the LE6940P is Colt's articulating link piston (ALP) system, engineered to reduce heat and fouling in the action while promoting smooth, dependable cycling. This advanced design keeps the rifle running cleaner under sustained use, minimizing maintenanc Mfg: Colt