This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards.Specifications: Made In America?: Yes Anodized Disclaimer: No Platform: AR15 Series: ATLAS Caliber: 5.56 NATO Barrel Length: 11.5" Select Your Finish: Anodized Black