Palmetto State Armory

Overview

The PSA 7.5" 300AAC Blackout Phosphate 9" Lightweight Hex M-Lok MOE EPT SBA3 Pistol Kit is a complete upper receiver assembly designed for builders looking to create a compact AR-15 platform. With a 7.5-inch barrel and a carbine-length gas system, this setup is optimized for reliable cycling with 5.56 NATO ammunition, offering a balance of maneuverability and performance. This kit is commonly found in short-barreled rifle builds where space and weight are critical considerations.