XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Blue. With an Anchor Harvey Upper and an XTS Hand Guard this will make your next build the ultimate AR. These XTS complete uppers do not include the Bolt Carrier Group. Specifications for XTS AR-15 10.5in 300 BO Complete Upper Receiver w/o BCG: Manufacturer: XTS Caliber: .300 AAC Blackout Overall Length: 19.5 in Barrel Length: 10.5 in Gas System Length: Pistol Length