CBC AR15 Upper Assembly - Black | 5.56 NATO | 7.5" Barrel | 7" M-LOK Handguard Bundled w/ Anderson 5.56/300 BLK M16 Bolt carrier Group - Black Nitride & Tactical Superiority Ambi AR Charging Handle

This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 7.5 inch, 4150 chrome moly barrel and has a black phosphate finish. The upper receiver is a forged M4 flat top upper, allowing you to easily attach rifle scopes and red dot sights to the picatinny rail. This upper assembly comes with a standard A2 flash hider that effectively suppresses muzzle flash and protects the 1/2×28 barrel threads if you are planning on adding a muzzle break in the future. Twist: 1/7 Finish: Phosphate Material: Chrome Moly Steel Muzzle Device Thread Pitch: 1/2 X 28 TPI Caliber: 5.56 Upper Receiver: Pattern: Billet Finish: MILSPEC Hard Coat Anodized Material: 7075 T-6 Aircraft Grade Aluminum Handguard: 7″ M-Lok Finish: Anodized   The Anderson Mfg. Bolt and Bolt Carrier group comes complete with Cam Pin, Firing Pin and Firing Pin Retainer. Compatible with 5.56 NATO, .223 REM, and .300 Blackout RF-85 TREATED - Non-treated BOLT CARRIER FINISH - Nitride BOLT CARRIER MATERIAL - 8620 Steel BOLT FINISH - Magnesium Phosphate BOLT MATERIAL - 9310 Steel PRODUCT UPC  - 712038922307