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.
Included Is A 7.5" 5.56 NATO Barrel From Ballistic Advantage. Made From 4150 CMV With A QPQ Nitride Finish, This Barrel Has A 1/2x28 Thread Pitch And A 1-7 Twist Rate.
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.
This Aero AR-15 upper receiver features a standard 'Mil-Spec' design made from forged 7075-T6 Aircraft Grade Aluminum. This durable design comes with a standard rifle ejection door. The anodized finish only adds to its resilience against wear and tear. There is also a 1913 Picatinny rail and T-Marks to ensure users have enough room to add additional accessories. Made by Aero Precision, the Aero stripped upper is precision CNC machined and ready for your next build!
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.
