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 Double Crown Comp Which Features A Two-Chamber Design That Effectively Reduces Felt Recoil While A Set Of Vertical Gas Ports Keeps Your Muzzle Flat And On Target. The Aggressively Crenelated Crown Is An Effective Stand-Off Defensive Device Or As Support For Wire Cutting. An Effective Cross Between A Compensator And A Muzzle Brake, The Double Crown Is Exactly What You Need.
Built On An Upper Receiver Forged From 7075-T6 Aluminum. This Stripped Upper Is Precision Machined To Mil-spec M16/M4 Specifications And Features M4 Feedramps.
This Upper Features A Premium 7" Gauntlet Arms ACE Series M-Lok Handguard. This Handguard Is Made From The Highest Grade 6061-T6 Aluminum And Is Reinforced With Class 2 Type III Black Hard Anodizing. With M-Lok Cutouts On The Sides, This USA Made Handguard Will Allow You To Mount A Variety Of Accessories.