Lightweight Carbon 15 Composite Receivers. Upper Receiver includes anodized aluminum Picatinny rail for unlimited sight, scope or optics mounting. 16" M4 Profile Barrel chambered for 5.56mm NATO/.223 Rem. caliber. Chrome Lined in both Bore and Chamber for long wear and ease of maintenance. Standard threaded muzzle (1/2" x 28 T.p.I.) fitted with Izzy Flash Suppressor. Front Sight is AR Type Base with Post – adjustable for elevation. Rear Sight is a B.M.A.S. Dual Aperture Flip-up – adjustable for windage. 6 Position TeleStock offers light weight, carrying ease and quick handling. Shipped in a Lockable Hard Case with Operation and Safety Manual, 30 Round Magazine and Black Web Sling.