Chambered for 5.56x45 NATO, originally derived from .223 Remington, 5.56 NATO is the standardized and most popular cartridge developed for the AR-15 platform. Utilizing a .22 Caliber projectile, the low mass, high-velocity cartridge allows superior weapon handling with manageable recoil and high accuracy. With a wide variety of ammunition choices on the market, 5.56 NATO chambered AR-15s are 'multi-caliber' and can reliably fire both 5.56x45 NATO and .223 Remington cartridges.
This barrel is 7.5-inches long and operates on a pistol gas system. It is chambered in 5.56 NATO and has a 1:7 twist rate. It is made from 4150 CMV which is tough and the nitride finish keeps it resistant to corrosion.
This Build Includes A Recoil Technologies Steel Flash Can. This Muzzle Device Has A Black Oxide Coating And Is Made To Direct Gases And Noise Away From The Shooter.
The Davidson Defense Black Diamond Series AR-15 Billet Upper Receiver is machined from Billet 6061-T6 Aluminum. It is incredibly durable and has a deep black anodized finish that gives any build a classic look and feel. This upper receiver features a full 1913 Picatinny rail for easy installation of accessories. It has M4 feed ramps and a standard dust door. This rugged upper receiver is high-strength and corrosion-resistant making it the perfect addition to almost any AR-15 build.
This Build Includes A Premium 7" M-Lok Handguard. This Handguard Allows You To Comfortably Grip Your Rifle In A Variety Of Shooting Positions And Securely Mount A Variety Of Accessories.