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.
The Barrel Featured On This Build Is One That The Scientists And Engineers Have Been Hard At Work In The Workshop And Laboratory Creating A Barrel That Is Out Of This World. The End Result Of This Brain Trust Is A Barrel Brand Simply Known As Mercury Precision. Mercury Precision Barrels Are Machined With Match Grade Precision And Have Been Button Cut To Space-Grade Specifications, The End Result Being A Very High-End Product. The Goal With Mercury Precision Was To Create A High-End Barrel That Does Not Require A Space Travel Budget.
This Mercury Precision 7.5" "Pod" Barrel Is Chambered In 5.56 NATO And Is Made From 4150 CMV And Has Super High-Quality QPQ Black Nitride Finish And Is Equipped With A Stainless Steel Barrel Extension. This Treatment Increases The Barrel's Hardness Significantly And Makes It Extremely Corrosion Resistant. This Barrel Comes With A 1:7 Twist Rate, Features A 1/2x28 Thread Pitch. This "Pod" Barrel Is Precision Machined To A Medium Barrel Profile To It Is Light Enough To Pack Around And Stable Enough To Stay On Target.
This A2 flash hider has a classic and effective design. Flash hiders are essential in position concealment and keeping your vision clear; especially in low light situations. This design has a flat bottom which means the gasses won't kick up dust because they are directed up and to the sides. It has a 1/2x28 thread pitch and a Manganese Phosphate finish to protect it from corrosion. This A2 flash hider is a classic because it simply does a great job.
This Cobalt Kinetics Slick Side Upper Gen 1 includes a 7-inch handguard made from high-strength material with a durable finish. This upper has a clean, sleek design and is a great option for your next build.
This 5.56 NATO Slabside Complete BCG has a simple, classic design. It is machined from 9310 steel which means this BCG is tough and durable. The nitride finish helps make it resistant to corrosion and increases its strength. It has been MPI and HPT tested to ensure its quality. All of these characteristics make this is a high-quality, durable BCG.
This AR-15 M4 Charging Handle is machined from 7075 T6 aluminum and has a Type III hard coat anodized finish. This means that this is one strong, durable, and reliable charging handle. The Teflon coating on the handle makes it resistant to corrosion and waterproof. The complete assembly includes the latch. This charging handle is small but mighty.