Davidson Defense 'Hareraiser' 10.5" AR-15 5.56 NATO Phosphate Pistol 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 AR-15 5.56 NATO 10.5" Inch 1-7 T Phosphate Cryo Treated Barrel

The Gauntlet Arms AR-15 10.5" 5.56 NATO barrel offers exceptional performance and durability. Made from 4150 Chrome Moly Vanadium steel with a Manganese Phosphate finish, this barrel is built to withstand tough conditions. With a 1:7 twist rate and carbine-length gas system, it provides accuracy and reliability for various shooting applications. The barrel's cryo-treated construction enhances its strength and longevity.

Recoil Technologies Steel Flash Can, 1/2x28, Black Oxide Muzzle Brake

This Upper Features A Recoil Technologies Steel Flash Can. This Muzzle Device Is Made From High Grade Steel, Knurled In The Center, And Has A Black Oxide Finish. This Muzzle Device Was Designed To Direct Gasses And Noise Away From The Shooter.

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.

Gauntlet Arms "Cobra" 12" AR-15 Premium M-Lok Handguard

This Upper Includes A 12" M-Lok Premium Handguard. This Handguard Allows You To Comfortably Grip Your Rifle In A Variety Of Shooting Positions And Securely Mount A Variety Of Accessories.