Developed with attention to component fit and workflow efficiency, the Rock River Arms DS2144 LAR-15M RRAGE 223 Rem/5.56 NATO supports smooth handling and consistent mechanical behavior. Ideal for range training and recreational shooting, this firearm features a forged LAR-15 lower receiver, extruded A4 upper receiver, and a lightweight aluminum 9.50" free-floating handguard. Rock River Arms is renowned for its commitment to quality and innovation in firearm manufacturing.