PSA 7.5" 300AAC Blackout Nitride 6" Lightweight Hex M-LOK Upper Without BCG & CH

Palmetto State Armory

Overview

The PSA 7.5" 300AAC Blackout Nitride Upper Receiver is a complete assembly designed for AR-15 builds, featuring a 7.5-inch barrel optimized for the 300 Blackout caliber. Its pistol-length gas system ensures reliable cycling with subsonic and supersonic ammunition, making it a versatile choice for compact setups. This upper is commonly found in short-barreled rifles or pistol configurations, catering to builders looking for a lightweight and maneuverable option for close-quarters engagements.