Elevate your shooting experience with the Colt Upper Assembly Kit designed for the AR-15 platform. This 16.1-inch upper is chambered in 5.56x45mm and features a 1-7 twist rate for enhanced accuracy and performance. The durable black finish ensures longevity, while the 1/2x28 threading allows for easy attachment of muzzle devices. Please note, this kit comes without a handguard, giving you the flexibility to customize your setup. Ideal for both enthusiasts and professionals, the LE6920CK-NHG is a reliable choice for any shooting application.