The Colt Combat Unit Carbine is a hard-use Modern Sporting Rifle developed with input from veteran trainers Mike Pannone, Daryl Hollarkst, and Ken Hackathorn-built for reliability and performance in the field or on the range. It features an M-LOKA(R)-capable handguard and flat-top upper ready for optics, a mid-length gas system with a lightweight barrel and extended handguard, and ships with Black MagpulA(R) MOEA(R) SL(TM) handguard, buttstock and pistol grip.