This AR15 upper receiver assembly comes ready to attach to any Mil-Spec lower receiver. It is built around a 7.5 inch, 4150 chrome moly barrel and has a black nitride finish. The upper receiver is a forged M4 flat top upper, allowing you to easily attach rifle scopes and red dot sights to the picatinny rail. Outfitted with a 7″ M-LOK Rail that contains generously sized M-LOK cuts, this upper assembly allows for maximum air circulation around the barrel for faster cooling
As AR15-Overstock's premium line, CPF provides a range of high-quality AR-15 components and complete firearms, emphasizing precision and performance for those seeking an elevated shooting experience.