8.6 Blackout Barrel

8.6 Blackout Barrels For Sale — Gorilla Firearms
The right barrel makes all the difference with 8.6 Blackout. Because the cartridge was developed to optimize performance across specific barrel lengths, choosing the correct length for your intended use — subsonic suppressed hunting, supersonic field use, or bolt-action precision — directly impacts velocity and terminal performance.
8.6 Blackout Barrel Length Guide

8″ barrel — Compact suppressed platform. Ideal for subsonic hunting and home defense.
12″ barrel — Most popular all-around length for suppressed 8.6 Blackout builds. Excellent balance of velocity and maneuverability.
16″ barrel — Maximum supersonic velocity from the semi-auto platform. Best for open-field hunting where range matters.

GF-10 Platform Barrels
All 8.6 Blackout barrels are designed for the GF-10 platform — Gorilla Firearms’ .308/AR-10-based action modified for the 8.6 Blackout cartridge. These barrels pair with our GF-10 Complete Upper and GF-10 handguards for a complete purpose-built 8.6 Blackout build.