WEST HARTFORD, Conn. – Colt Defense LLC, one of the world’s leading designers, developers, and manufacturers of rifles and carbines, has advanced its one-piece monolithic upper receiver to introduce the LE6940P. This modular carbine has an articulating link piston (ALP) operating system and offers shooters a highly accurate, lightweight and easy-to-clean AR-platform rifle with an extended lifespan. Read more