16” 4140 Chromoly barrel with Melonite coating

5.56 SOCOM profile

M4 feed ramps

1:7 twist rate

Zero Impulse muzzle brake

1/2x28 TPI

Low profile gas block

Mid-length gas system

Radical Firearms forged Mil-Spec upper receiver

Mil-Spec Upper parts kit

RF Dimpled forward assist

Radical Firearms 15" FCR handguard

Integrated M-LOK attachment points on the sides and bottom with continuous picatinny top rail

Made in Houston, Texas U.S.A.

Does not include BCG or charging handle

The Radical Firearms AR-15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It features a forged M4 flat top upper so you can easily attach rifle scopes and red dot sights to the picatinny rail. The upper receiver is does not include BCG or charging handle but does come completed with a Mil-Spec upper receiver parts kit that includes dust cover and forward assist. The barrel is 16” of 4140 chromoly steel with a Melonite coating and is attached via a steel barrel nut. This extremely durable and weather resistant barrel has a 1:7 twist rate designed to stabilize heavier rounds for hunting or target shooting. However, this twist rate is still capable of giving practical accuracy with 55 grain 5.56 NATO ammunition for all your plinking needs. Outfitted to the end of the heavy SOCOM profile barrel is the Zero Impulse muzzle brake for reducing recoil and is attached with 1/2x28 threads. This Barreled upper receiver is an affordable way to finish your AR-15 build with enough money left over for plenty of ammunition and range time.This 5.56 barreled upper receiver has a mid-length gas system that is the perfect balance between reliability and soft recoil. Surrounding the barrel and gas system is a 15” free float handguard with M-LOK attachment points. It is the Radical Firearms Gen 3 FCR rail that offers many improvements to other rail systems. It features a full length picatinny top rail that sits flush with the upper receiver and is attached to a steel barrel nut with 8 screws to prevent it from coming loose.Radical Firearms offers law enforcement grade hardware. Crafted with quality materials and covered by their lifetime warranty, Radical Firearms is an outstanding choice for any budget.