Palmetto State Armory

Overview

The PSA 16" 5.56 NATO Mid-Length Upper Receiver is a complete assembly designed for AR-15 platforms, featuring a 16-inch barrel with a 1:7 twist rate that stabilizes a wide range of bullet weights. The mid-length gas system provides a smoother shooting experience by balancing recoil and gas pressure, making it a solid choice for both accuracy and reliability. This upper receiver is commonly found in builds that emphasize 5.56 NATO caliber and utilize a mid-length gas system for enhanced performance.