The Colt LE6920 M4 Upper Receiver Assembly features a 16-inch barrel and comes complete with bolt carrier group (BCG) and charging handle for a ready-to-install upper assembly.Colt LE6920 M4 Upper Receiver Assembly16-inch barrel for reliable performanceIncludes bolt carrier group (BCG)Includes charging handleNo handguards included for custom build flexibilitySKU: LE6920CK-NHGIdeal for AR-15 builders and enthusiasts looking for a complete upper assembly from Colt's trusted LE6920 series allowing for custom handguard selection and personalized build configurations.