Triarc Systems

Overview

The Triarc Systems 300 Blackout Tsr-15s AR-15 Barreled Upper is a complete upper receiver designed specifically for the 300 Blackout caliber, featuring a 10.3-inch barrel optimized for a pistol gas system. With a 1:7 twist rate, this upper effectively stabilizes a range of bullet weights, making it versatile for various ammunition types. It is commonly found in builds that prioritize compactness and maneuverability, particularly those utilizing the pistol gas system with the 300 Blackout caliber.