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 4150 CMV barrel has a 1:8 twist rate which provides an advantage to shooters who are looking for a more universal barrel. It's crafted from 4150 CMV which is Mil-Spec gun steel that does a great job handling heat which helps it maintain its accuracy. The nitride finish increases the barrel's durability and makes it less susceptible to corrosion. This barrel has a carbine gas system and a sleek, classic overall feel.
The KAK Industry Big Hole Brake has a single port design that makes it compact. The large port reduces recoil and the dual upward-facing vents minimize muzzle rise. To ensure it is resilient to wear and tear, it has a manganese phosphate coat. It has an overall length of 1.75 inches and it weighs 2.43 ounces.
Sometimes it can be a challenge to find the proper equipment for left-handed (or as we call it: 'off-handed') shooters. With this left-handed billet upper receiver, it doesn't have to be. This stripped upper receiver does not have a brass deflector or forward assist. The streamlined design and slick side help set this upper apart. This billet upper is great because it has better thermal properties, is stronger, and looks phenomenal.
This handguard is crafted from 6061-T6 aluminum which is strong and durable. The matte black anodized finish makes this handguard resistant to corrosion and increases the handguard's overall strength. The sleek design makes it lightweight while keeping it robust. This easy-to-install handguard includes a barrel nut made out of 7079-T6 aluminum. Every inch of this handguard exceeds expectations.