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 weapons 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 Build Features A 7.5" 5.56 NATO Barrel From Gauntlet Arms. Made From 4150 CMV With A Manganese Phosphate Finish, This Barrel Has A 1/2x28 Thread Pitch And A 1-7 Twist.
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.
A USA Made Premium 7" "Black Diamond" Executive Grade M-Lok Handguard. Made Of 6061 T6 Aluminum And Type III Mil-Spec Anodized.