Faxon Firearms Sentinel Pistol, 8.6 Blackout, 8-Inch, AR-10

The Faxon Firearms Sentinel Pistol (brand part no. FX8608) is chambered in 8.6 Blackout, a big-bore cartridge built for subsonic and supersonic performance alike, mounted on Faxon’s larger-frame AR-10-pattern platform. An 8-inch, 1-in-3-inch-twist Big Gunner Profile barrel keeps this pistol compact for close-quarters and suppressed use, while a dedicated safety selector keeps the manual of arms familiar to AR shooters. Faxon’s reputation for precision barrel-making carries directly into this newer-caliber pistol build. It’s a standout big-bore option in the AR pistols lineup from Faxon Firearms.

Key Specifications

• Chambered in 8.6 Blackout, a big-bore cartridge for subsonic and supersonic performance.
• Features an 8-inch, Big Gunner Profile barrel with a fast 1-in-3-inch twist for heavy subsonic bullets.
• Built on Faxon’s larger-frame AR-10-pattern platform, machined from 7075 billet aluminum.
• Features a dedicated safety selector for a familiar AR manual of arms.
• Wears a G3 Aluminum Streamline M-LOK handguard with a full-length Picatinny top rail.
• Fitted with Faxon’s proprietary 8.6 BLK MuzzLok muzzle device.
• Equipped with a B5 black polymer grip.

Frequently Asked Questions

What is 8.6 Blackout? A big-bore cartridge designed for effective performance both subsonic and supersonic, similar in spirit to .300 Blackout but on a larger frame.

What platform is the Sentinel built on? Faxon’s larger-frame, 7075 billet aluminum AR-10-pattern receiver set.

What handguard and muzzle device does it use? A G3 Aluminum Streamline M-LOK handguard with a full-length Picatinny top rail, plus Faxon’s proprietary 8.6 BLK MuzzLok muzzle device.

Buy the Faxon Firearms Sentinel Pistol

The 8.6 Blackout chambering on an AR-10-pattern frame makes this Sentinel a genuinely distinctive big-bore pistol. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.