Q LLC ACCFIXBARREL 8.6 Blackout 8-inch Fixed Barrel

Description

The Q LLC ACCFIXBARREL is an 8-inch fixed barrel assembly chambered for 8.6 Blackout and built from 416R stainless steel with a bead-blasted matte finish. Each barrel includes a headspaced barrel extension and employs button-cut rifling for consistent internal geometry. Thread pitch is 5/8×24 and the muzzle uses an M18-1.5 tapered profile. Its compact length is intended for compact AR-style platforms and other specialized configurations where a short, durable barrel is required.

Key Specifications

• Chambered for 8.6 Blackout.
• The barrel length is 8 inches.
• Constructed from 416R stainless steel.
• Finished in bead-blasted matte.
• Rate of twist is 1:3.
• Thread pitch is 5/8×24.
• The muzzle profile is M18-1.5 tapered.
• Includes a headspaced barrel extension.
• Barrel type is lightweight.
• Designed to fit Q Fix systems.

Designed for builders and armorers who need a compact, precisely made barrel, this assembly balances short-course handling with the durability of 416R stainless and button-cut rifling. The combination of controlled twist rate, standardized threading, and a tapered muzzle makes it well suited to compact AR-style builds and other applications requiring a short, reliable barrel solution.

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