XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2×28 Thread M-LOK Bird Cage Black Finish

XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2×28 Thread M-LOK Bird Cage Black Finish. 5in AR15 300 Blackout upper comes FULLY ASSEMBLED 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 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail: Manufacturer: XTS Caliber: .300 AAC Blackout Overall Length: 17.5 in Barrel Length: 8 in Gas System Length: Pistol Length Barrel Twist Rate: 1-8 Threads per Inch: 1/2×28 Muzzle Device: A2 Flash Hider Finish: Nitride Color: Black Gun Model: AR-15 Fabric/Material: Stainless Steel Gas Block Journal Size-Diameter: .750 in Handguard Length: 7 in Handguard Style: Round Rail Gun Rail: M-LOK Gun Make: AR Platform Barrel Material: 4150 Chrome Moly Vanadium Bolt Carrier Group Included: No Charging Handle Included: MIL-SPEC Weight: 16 oz Magazine Included: No Mount Type: M-LOK Country of Origin: USA Package Contents: XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail Anchor Harvey Upper Receiver 300 b/o BARREL 8in XTS Charging Handle XTS Forward Assist XTS Ejection Port Cover 7in M-LOK RAIL Black Gas Block Gas Tube Bird Cage Muzzle Brake What firearm models does the manufacturer say XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail is compatible with? The manufacturer says that XTS AR-15 8.5in 300 BO Complete Upper w/o BCG w/ Ce Rail is compatible with AR-15XTS XTS-CU8300CE: Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 300 BO 17.5in 8in Barrel 1-8 Twist 1/2×28 Thread M-LOK Handguard Bird Cage Black Finish Black