Stag Arms AR-15 Retro Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black

Stag Arms AR-15 Retro Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic handguard with double heat shields. It features a 5.56x45mm NATO chamber 20in 1/7 chrome-lined barrel A2 birdcage flash hider To prevent any confusion the purchase of any Stag Arms Complete Upper does NOT include charging handle or BCG. Specifications for Stag Arms AR-15 Retro Left Hand Upper Receiver: Manufacturer: Stag Arms Color: Black Finish: Anodized Fabric/Material: Metal Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: AR-15 Muzzle Device: Compensator Additional Features: Left Hand Condition: New Barrel Material: 4153 Cmv- Chrome Lined Phosphate Country of Origin: USA Package Contents: Stag Arms AR-15 Retro Left Hand Upper Receiver What firearm models does the manufacturer say Stag Arms AR-15 Retro Left Hand Upper Receiver is compatible with? The manufacturer suggests that Stag Arms AR-15 Retro Left Hand Upper Receiver is compatible with AR-15Stag Arms STAG15111013: AR-15 Retro Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black