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Ballistic Advantage Premium Black Series 8.6 Blackout 8" Barrel - SKU: BABL86B001PQ - UPC: 819747028594
Product Description
The Ballistic Advantage Premium Black Series 8.6 Blackout 8-inch barrel is a precision-engineered rifle barrel built specifically for short-barreled rifle (SBR) and AR-pistol configurations utilizing the DPMS Gen 1 AR-10 / SR-25 platform geometry. Chambered in the hard-hitting 8.6 Blackout (8.6 BLK) cartridge, this barrel is optimized to deliver maximum kinetic energy transfer, immediate subsonic stabilization, and high rotational energy from a compact 8-inch footprint.
Machined from 416R stainless steel and finished with a QPQ Nitride (Quench Polish Quench) surface treatment, this Premium Black Series barrel combines the benchrest-grade accuracy of stainless steel with extreme surface hardness and corrosion resistance. The barrel features a fast 1:3" twist rate engineered to stabilize heavy subsonic and high-velocity supersonic 8.6 BLK projectiles, ensuring consistent stability without bullet jacket separation. Threaded in M18x1.5, it provides a rigid, concentric interface for mounting modern suppressors and muzzle brakes.
Configured with a pistol-length gas system and a .750-inch gas block journal, the barrel ensures reliable cycling and dwell time when shooting suppressed or unsuppressed across variable powder charge profiles. The DPMS pattern extension includes polished feed ramps to eliminate feeding jams during rapid cycling schedules.
*Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: DPMS Gen 1 pattern AR-10 / LR-308 upper receivers (.750" gas block journal, pistol-length gas tube, M18x1.5 muzzle devices).
- Verify upper receiver is clean, degreased, and free of foreign debris before installation.
- Apply a thin coat of AeroShell 64 (Mil-Spec grease) to the barrel extension exterior and upper receiver barrel socket threads.
- Insert barrel extension into upper receiver socket, ensuring locating pin aligns smoothly with the receiver indexing notch.
- Thread AR-10 barrel nut onto receiver and torque to 45-50 ft-lbs using a certified torque wrench and barrel nut wrench.
- Install a .750" low-profile gas block and pistol-length gas tube, ensuring gas port alignment using visual cues or alignment dimples before securing set screws to 25 in-lbs with medium threadlocker.
Key Features
- Fast 1:3" Twist Rate: Precision twist rate engineered specifically to stabilize heavy 8.6 Blackout subsonic projectiles.
- 416R Stainless Steel Construction: Precision-machined stainless core provides match-grade barrel consistency and shot-to-shot accuracy.
- QPQ Nitride Corrosion Resistance: Deep-penetrating QPQ finish hardens both interior bore and exterior steel against corrosion and wear.
- Pistol-Length Gas System: Tunes dwell time and gas volume for optimal cycling dynamics with suppressed and unsuppressed loads.
- M18x1.5 Muzzle Thread Pitch: Standardized thread specification for mounting direct-thread suppressors and 8.6 BLK muzzle brakes.
Product Specifications
- Brand: Ballistic Advantage
- MPN: BABL86B001PQ
- UPC: 819747028594
- Caliber: 8.6 Blackout (8.6 BLK)
- Length: 8 Inches
- Material: 416R Stainless Steel
- Finish: QPQ Nitride (Black)
- Profile: Heavy / Tactical
- Twist Rate: 1:3"
- Gas System: Pistol Length
- Gas Block Journal: 0.750"
- Muzzle Thread: M18x1.5
- Platform Compatibility: DPMS Gen 1 AR-10 / LR-308
