AR-15 barrel nuts are constructed from durable steel and feature a military-grade matte black phosphate finish. This AR-15 barrel nut for sale is compatible with any Mil-Spec standard AR-15/M4 upper receiver and is manufactured to strict military specifications. This Mil-Spec premium steel barrel nut for the AR-15 is the perfect solution for your next build and comes with a lifetime warranty. The AR-15 barrel nut is a critical component that secures the barrel to the upper receiver of the rifle, ensuring proper alignment and stability for accurate shooting. This essential part holds the barrel in place by screwing onto the upper receiver. Its primary function is to create a robust connection between these two components, ultimately enhancing accuracy and ensuring consistent performance.
Fits the AR-15, M-16, and M4, barrel nut assembly.
