PSA 8.5" Pistol-length 300AAC Blackout 1/8 Phosphate 7" Lightweight M-LOK Upper With BCG & CH

Palmetto State Armory

Overview

The PSA 8.5" Pistol-length 300AAC Blackout Upper is a complete upper receiver designed for the AR-15 platform, featuring an 8.5-inch barrel with a 1:8 twist rate that optimizes stability for a wide range of bullet weights. With its pistol gas system, this upper provides reliable cycling and performance, making it suitable for short-barreled applications. This upper is commonly found in builds focused on 300 Blackout, particularly for those looking to create compact and maneuverable firearms.