The Colt AR-15 Upper Receiver Assembly comes complete with Magpul adjustable flip-up rear sight, charging handle, bolt and bolt carrier assembly. The Colt AR-15 Upper Receiver also comes complete with A2 flash hider, M4 polymer handguard, and a barrel with a black parkerized finish. This Upper Receiver Assembly comes with a picatinny-style flattop rail for plenty of accessories, and is more than ready to offer maximum versatility.
- Magpul Adjustable Flip-Up Rear Sight
- A2 Flash Hider
- M4 Polymer Handguard
- Black Parkerized Barrel Finish
Cartridge 5.56x45mm NATO Finish Black Parkerized Material Aluminum Style M4 Polymer Barrel Length 14.5 Inches Twist 1:7 Inches Threads 1/2″-28 Barrel Contour M4 Sights Yes Barrel Finish Black Parkerized Chrome Lined Yes Gas Block Diameter 0.75 Inches Gas System Length Carbine M4 Feed Ramps Yes Upper Receiver Type A3 Flat-Top Barrel Material Chrome Moly Vanadium Steel Handguard M4 Style Polymer Bolt Carrier Assembly Included Yes Muzzle Device A2 Flash Hider Mil-Spec or Commercial Mil-Spec Compatible WithAR-15
Shipping Weight 4.875 Pounds