Colt: M4 Conversion Kit, 16.1", Complete Upper

SKU: Colt: M4 Conversion Kit, 16.1", Complete Upper | Manufacturer ID: LE6920CK

The Colt Conversion Kit contains the complete upper receiver group, including a charging handle, bolt carrier group, and back up sight. Conversion Kits are available in both the standard upper receiver with handguard configuration and Monolithic 1-piece upper receiver with free-floating barrel configuration. All barrels feature a 1/7 right hand twist. Now you can convert any Colt rifle to the most state of the art configurations. Specifications Manufacturer: Colt Fits: AR-15 Barrel Length: 16.1" Barrel Material: Chrome Moly Vanadium Steel Barrel Twist: 1:7 Barrel Type: M4 Contour, Free-Floating Caliber: 223 Remington, 5.56 NATO Color: Black Finish: Black Parkerized Front Sight: Fixed Post Handguard: M4 Polymer Includes: Complete Upper Assembly, Complete M4 Full Auto Bolt Carrier Assembly, Charging Handle, Manual Muzzle Type: A2 Flash Hider Operating System: Direct Impingement Rear Sight: Magpul Flip-Up Receiver Type: A3 Flat-Top Thread Pitch: 1/2x28 Weight: Approx. 5.4 lb | Colt: M4 Conversion Kit, 16.1", Complete Upper