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 weaponsweapon 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 Also Includes A 16" 5.56 NATO Barrel From Bear Creek Arsenal. This Barrel Is Made From 4150 CMV With A Manganese Phosphate Finish As Well As A Thread Pitch Of 1/2x28. This Heavy Barrel Also Has A Gas System Length Of Carbine And A 1-7 Twist.
Guntec's AR-15 Mini Slip Over Barrel Shroud With Multi Port Muzzle Brake is 2 ? inches long and weighs 3.2oz. This new micro design is USA-made from high-strength T6 aluminum. This innovative muzzle brake is a dual-purpose unit meaning it functions as a barrel shroud and muzzle compensator. The multiple ports reduce felt recoil by up to 70%. Guntec USA has truly outdone itself with this innovative, micro muzzle brake.
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 12" 'Air-Lok' M-LOK Free Float Handguard is a USA-made Gen 2 design from Guntec USA. It is made from a high-strength, durable, T6 aluminum and features a compression lock-down design. It has M-LOK slots on 4 sides of the handguard and skeletonized cuts throughout it to reduce the overall weight. It also has a machined QD swivel socket on the rear end of the handguard and provides a tight fit-up against the receiver.
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