PSA 10.5" 5.56 NATO 1/7 Nitride 9" Lightweight M-LOK MOE EPT SBA3 Pistol KIT, FDE

Palmetto State Armory

Overview

The PSA 10.5" 5.56 NATO Upper Receiver Kit is a complete assembly designed for AR-15 builds, featuring a 10.5-inch barrel with a 1:7 twist rate that stabilizes a variety of bullet weights. With a pistol-length gas system, this upper is optimized for use with shorter barrels, ensuring reliable cycling and performance. Commonly found in pistol builds chambered in 5.56 NATO, this kit is ideal for builders looking to create compact and maneuverable firearms.