Aero Precision M4E1 Complete Upper 7.5" 5.56 Barrel EQ-7 Gen 2 Handguard - Anodized Black

FEATURES: Caliber: 5.56 NATO Finish: Type III Class 2 Hardcoat Anodized Upper Receiver: Aero Precision M4E1 Enhanced Upper - 7075-T6 Aluminum Handguard: 7.3-Inch Gen 2 Enhanced Quad Rail Handguard M4 Feed Ramps: Yes Muzzle Device: A2 Flash Hider Barrel: 7.5" 1:7 QPQ Coated 4150 Chrome Moly Vanadium Barrel Muzzle Thread Pattern: 1/2"-28 TPI Gas Block: Aero .750" Low-Profile Gas Block Gas Tube: Pistol Length Gas Tube Bolt Carrier Group: Not Included Charging Handle: Not Included MPI and HP Tested