Palmetto State Armory

Overview

The PSA 7" Nitride 1:7 Pistol Length 5.56 NATO Marauder SL AR-15 Upper Assembly is a complete upper designed for compact builds, featuring a 7-inch barrel optimized for the 5.56 NATO caliber. With a 1:7 twist rate, this upper effectively stabilizes a variety of bullet weights, making it versatile for different ammunition choices. The pistol-length gas system ensures a reliable cycling experience, ideal for short-barreled applications. This upper assembly is commonly used in pistol builds that prioritize maneuverability and rapid handling.