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.
This barrel is 7.5-inches long and operates on a pistol gas system. It is chambered in 5.56 NATO and has a 1:7 twist rate. It is made from 4150 CMV which is tough and the nitride finish keeps it resistant to corrosion.
The Guntec AR-15 Micro Slip Over Barrel Shroud With Multi Port Muzzle Brake is a new, innovative micro design. Guntec USA has put in a lot of research into aluminum alloys to make this muzzle device incredibly durable while also keeping it lightweight. Users get the two-in-one experience with this device because it functions as a barrel shroud as well as a muzzle compensator.
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 Guntec 7" Rainbow PVD Lightweight Thin MLOK Freefloat Handguard with Monolithic Top Rail is exactly what you need to elevate your build. Guntec USA has put in a lot of research into aluminum alloys to make this handguard incredibly durable while also keeping it lightweight. The USA-made design has a heavy-duty, rainbow PVD finish that keeps it resistant to corrosion while adding some bling to your build. It has a rail system that slides over the barrel nut and is locked up against the receiver with 6 screws.
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