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The 8.6 Blackout is one of the most interesting big-bore cartridges to come along in years, and Faxon was in on it from the start. The Sentinel is their AR-10 pattern rifle built specifically for the round, pairing a billet 7075 aluminum receiver set with a 16-inch Big Gunner profile barrel cut with a blistering 1:3 twist. That twist rate is the secret sauce here. It spins heavy .338 caliber bullets fast enough to stabilize everything from 160 grain supersonic loads to 300 grain plus subsonics, which is what gives this cartridge its reputation for delivering serious energy on target with a fraction of the noise when suppressed.
Faxon did not cut corners on the parts list. The nitrided 4150 CMV barrel wears Faxon's MuzzLok 3-port muzzle brake, which tames recoil nicely and comes off when you are ready to hang a can. The G3 aluminum Streamline M-LOK handguard keeps things slim and light while giving you plenty of real estate for lights, bipods, and thermal optics. A Faxon trigger by Rise Armament gives you a clean, crisp break that punches well above what you would expect from a factory rifle, and ambidextrous controls with a B5 Precision collapsible stock and B5 grip round out the ergonomics. Since 8.6 Blackout shares its case head and overall length with .308, it feeds from standard AR-10 pattern magazines, and one 20-rounder ships with the rifle.
This rifle has become a favorite for night hunting hogs and deer-sized game where a suppressed, hard-hitting semi-auto really earns its keep. The 16-inch barrel makes the most of supersonic loads, and this configuration is optimized for them, though it runs subsonics well with a suppressor in the mix. There is a full-length Picatinny top rail waiting for your optic, no sights included, and the whole package is backed by Faxon's lifetime guarantee. If you have been curious about 8.6 Blackout, this is one of the most complete factory rifles chambered for it.
Yes, though this 16-inch rifle is tuned from the factory for supersonic loads. Subsonic ammunition may take some tuning, typically an adjustable gas block or running suppressed, to cycle at its best. The 1:3 twist barrel has no trouble stabilizing heavy 300 grain plus subsonic bullets.
Since 8.6 Blackout shares its case head dimensions and overall length with .308 Winchester, the Sentinel feeds from standard AR-10 and SR-25 pattern magazines at full capacity. A 20-round magazine comes in the box, so you can grab spare .308 pattern mags just about anywhere.
No, the rifle ships without sights. It has a full-length Picatinny top rail on the receiver and handguard, so mounting a scope, red dot, or thermal is easy. Given how this cartridge performs on hogs and game at night, a lot of owners pair it with a thermal optic.
It is. The barrel is threaded and wears Faxon's MuzzLok 3-port muzzle brake from the factory, which removes so you can mount a .338 caliber rated suppressor. Suppressed shooting with subsonic loads is a big part of what makes the 8.6 Blackout cartridge so appealing.
| UPC | 816341026643 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | FX8616 |
| Action | |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Length | 16" |
| Caliber/Gauge | 8.6 Blackout |
| Capacity | 20 |
| Color | Black |
| Length | 47.6500 |
| Model | |
| Product Type | AR |
| Sights | No |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
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