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

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant 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 Right 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: Right Hand Condition: New Barrel Material: 4152 Cmv- Chrome Lined Phosphate Bolt Carrier Group Included: No Charging Handle Included: No Gas System Length: Rifle Length Barrel Twist Rate: 1-7 Country of Origin: USA Features of Stag Arms AR-15 15 Retro 20 inch .223/5.56mm NATO Upper Receiver Assembly: Semi-Auto Direct Impingement; 1-7 Button Rifled; 20" 4150 Steel Chrome-Lined Heavy Profile Manganese Phosphate; Thermoplastic with Double Heat Shields; Forged and Mil-Spec 7075 T6 Aluminum with Type 3 Hard Coat Anodizing; Gas System: Rifle Length with A2 Front Post; Front Sight: F-marked A2 Front Sight and Bayonet Lug; Rear Sight: Removable A3 Carry Handle with Integrated Sight Package Contents: Stag Arms AR-15 Retro Right Hand Upper Receiver What firearm models does the manufacturer say Stag Arms AR-15 Retro Right Hand Upper Receiver is compatible with? The manufacturer says that Stag Arms AR-15 Retro Right Hand Upper Receiver is compatible with AR-15Stag Arms STAG15101013: AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant 1-7 Twist 1/2 x 28 Thread Compensator Black