Palmetto State Armory

Overview

The PSA 16" Carbine-Length 5.56 NATO Upper Receiver is a complete assembly designed specifically for AR-15 builds, featuring a 16-inch barrel and an M4 receiver type. With a carbine-length gas system and a 1:7 twist rate, this upper is optimized for stability and accuracy, making it suitable for a variety of ammunition types. Commonly found in tactical and general-purpose builds, this OD Green upper adds both functionality and a distinctive aesthetic to your firearm.