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 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.
This Upper Also Includes A Recoil Technologies Knurled Flash Forwarder. This Muzzle Device Features 6 Port Vents To Help Thrust The Flash Forward And Away From The Shooter.
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.
The Davidson Defense Mod Pro AR-15 Ultra Premium M-LOK Handguard is made from 6061-T6 aluminum which keeps it lightweight and strong. It is finished with a Type 3 hard coat anodizing to improve corrosion resistance and overall durability. This AR-15 Freefloat Handguard comes with anti-rotation tabs. These anti-rotation tabs are used to maintain alignment between the upper rail of the handguard and the upper rail of the upper receiver.
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