Palmetto State Armory

Overview

The PSA 10.5" 5.56 NATO Upper Receiver is a complete assembly designed for the AR-15 platform, featuring a 10.5-inch barrel with a 1:7 twist rate, making it well-suited for stabilizing a variety of bullet weights. The carbine-length gas system enhances reliability while minimizing recoil, which is crucial for rapid follow-up shots. This upper is often chosen for short-barreled rifle builds or compact setups that prioritize maneuverability and versatility.