Faxon Sentinel 16” 8.6 BLK AR-10 Rifle

(2 reviews)
Current Stock:

The Sentinel 8.6 BLK, part of Faxon's Summit Line of firearms, boasts a billet aluminum receiver set, G3 Aluminum Streamline M-LOK Handguard, new 8.6 BLK MuzzLok® Muzzle Device, and the impressive 1:3 twist Modified Big Gunner Profile Barrel. The Faxon Sentinel is backed by Faxon's Lifetime Guarantee.

Faxon Sentinel in 8.6 BLK rifles are optimized for supersonic ammunition. Use of subsonic ammunition may require adjustment to rifle for optimal performance.


  • 7075 Billet Aluminum Receiver Set
  • Faxon 16" 1:3 Twist Big Gunner Profile 8.6 BLK Barrel
    • 4150 CMV, Nitrided
  • Faxon MuzzLok® 8.6 BLK 3-Port Muzzle Brake
  • Faxon G3 Aluminum Streamline M-LOK Handguard
  • Faxon G2 Superfinished AR-10 BCG
  • Faxon AR-10 Height Gas Block
  • B5 Precision Collapsible Stock
  • Faxon Trigger by Rise Armament
  • B5 Pistol Grip
  • Ambi Charging Handle
  • Ambi Safety Selector
  • ​​​​​​​Carbine-Length Gas System

Weights & Dimensions:

  • Weight: 9.33 lbs
  • Length: 36"
  • Depth: 7.5"
  • Width: 2"


ADVISORY: At the time of product launch, 8.6 BLK is not of SAAMI spec. Early production ammunition may be inconsistent or cause malfunction of firearm.


Note: Cannot be shipped to CA, CT, DC, HI, IL, MD, MA, NJ, or NY state



  • 4
    Sentinel 16

    Posted by Kevin Schwendiman on Aug 22nd 2022

    Beautiful rifle. I can’t give an opinion on how it functions as there is no ammunition available. I will update my review after I have a chance to shoot it a few times.

  • 5
    Faxon sentinel 16” 8.6blk

    Posted by Jose Figueroa on Aug 15th 2022

    Awesome fit and finish, unable to comment on accuracy and shootability due to ammo shortage