Q LLC 8.6 Blackout 12 Inch Fixed Barrel Assembly

The Q LLC ACCFIX fixed barrel assembly is a 12 inch lightweight barrel built for use in compact rifle builds chambered for 8.6 Blackout. Each barrel is machined from 416R stainless steel and finished with a bead-blasted matte surface for a subdued, durable appearance. Barrels include a headspaced barrel extension and feature button-cut rifling; the muzzle is tapered and threaded for common muzzle devices.

Key Specifications

• The caliber is 8.6 Blackout.
• The barrel length is 12 inches.
• The material is 416R stainless steel.
• The finish is Bead Blasted Matte.
• The rifling type is button-cut rifling.
• The barrel fit is Q Fix.
• The barrel type is Lightweight.
• The assembly includes a headspaced barrel extension.
• The thread pitch is 5/8×24.
• The muzzle configuration is M18-1.5 tapered muzzle.

This fixed barrel assembly provides a compact, precision-minded foundation for short-barrel rifle projects and specialized builds chambered for 8.6 Blackout. Its stainless construction and controlled finish offer corrosion resistance and repeatable performance, while the button-cut rifling and threaded tapered muzzle simplify installation of common muzzle devices. Choose this Q LLC barrel when you need a purpose-built component with straightforward specifications for a compact rifle platform.

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