DTT 'Austringer V2' 16-inch AR-15 5.56 NATO Nitride Rifle Upper Build Kit

5.56x45 NATO / .223 Remington

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.

Gauntlet Arms Premium M4 Contour AR-15 5.56 NATO 16" 1:8 Twist Phosphate Barrel (Cryo-Treated)

The Gauntlet Arms Premium M4 Contour AR-15 5.56 NATO 16" 1:8 Twist Phosphate Barrel is a high-performance barrel designed for accuracy and reliability. Constructed from durable 4150 chrome moly vanadium steel, it features a nitride and phosphate finish for enhanced durability and corrosion resistance. With a 1/2x28 thread pitch, it offers compatibility with various muzzle devices.

Recoil Technologies AR-15 1/2x28 TPI GI Birdcage Flash Hider 5.56 .223 A2

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.

Davidson Defense Left-Handed Davidson Defense Black Diamond Series AR-15 Billet Stripped Upper, No Forward Assist

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.

Gauntlet Arms AR-15 15" "Warhawk" M-Lok Handguard

This Upper Features a Premium Gauntlet Arms 'Warhawk' 15" M-Lok Handguard. Made From T6-6061 Aluminum, This Handguard Has A Type III Hard Coat Anodized Finish Along With Cutouts That Are Made To Reduce Weight. This Handguard Allows You To Comfortably Grip Your Rifle In A Variety Of Shooting Positions And Securely Mount A Variety Of Accessories.