Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black. 56/.233 upper receiver assembly with 16 inch barrel and 15 inch hand guard. Ready to run with any AR-15 dedicated lower receiver. Includeds 556 BCG and Charging handle. Angstadt Arms Slick side billet aluminum upper Specifications for Angstadt Arms AR-15 Complete 5.56mm Upper Receiver with Flash Hider Assembly: Manufacturer: Angstadt Arms Cartridge: 5.56x45mm NATO .223 Remington Overall Length: 16 in Barrel Length: 16 in Barrel Profile: M4 Gas System Length: Rifle Length Barrel Twist Rate: 1-7 Threads per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: 3-Lug Muzzle Brake Finish: Black Nitride Color: Black Gun Model: AR-15 Condition: New Fabric/Material: 4150 Chromoly Steel 7075-T6 Aluminum Attachment Type: Picatinny Handguard Length: 15 in Gun Rail: Picatinny Gun Type: Rifle Gun Make: AR Platform Included Accessories: Standard Magazine Included: No Quantity: 1 Package Contents: Angstadt Arms AR-15 Complete 5.56mm Upper Receiver with Flash Hider Assembly Angstadt Arms AAUT056016: AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black