Davidson Defense 'Pecos Bill 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 .556 Nitride Compact Compensator

This Upper Features A Recoil Technologies 5.56 NATO/.223 Wylde QPQ Nitride Compact Compensator.

Davidson Defense Mil-Spec AR-15 Upper w/ M4 Feedramps - 7075 T6 Aluminum

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.

Davidson Defense AR-15 "Avalon" 15" MLOK Handguard Slant Port

This Upper Also Features A Premium 15" Avalon M-Lok Handguard. This Handguard Is Made From 6061 Aluminum And Has A Black Anodized Finish. This Handguard Is Optimized For Mounting A Variety Of Accessories.