The Sentinel 8.6 Blackout from Faxon's Summit Line delivers cutting-edge performance with precision-engineered components designed for superior reliability and accuracy. Built with a billet aluminum receiver set and a G3 Aluminum Streamline M-LOK Handguard, this rifle offers exceptional durability and modularity for accessory mounting. The innovative 8.6 Blackout MuzzLok Muzzle Device enhances recoil management, while the 1:3 twist Modified Big Gunner Profile Barrel maximizes ballistic efficiency for outstanding downrange performance. Designed for serious shooters who demand excellence, the Faxon Sentinel is built to perform and backed by Faxon's Lifetime Guarantee. Precision-machined 7075 billet aluminum receiver set, providing exceptional durability and strength Faxon 12 Inches 1:3 twist Big Gunner profile 8.6 Blackout barrel for exceptional stability and accuracy Built from 4150 CMV steel, nitrided for superior strength, longevity and performance under high heat Faxon MuzzLok 8.6 Blackout 3-port muzzle brake reduces recoil and muzzle rise for improved control Faxon G3 aluminum streamline M-LOK handguard for enhanced modularity and lightweight durability Faxon G2 superfinished AR-10 BCG for smooth operation and extended durability Faxon AR-10 height gas block for reliable gas regulation and improved cycling Faxon trigger by Rise Armament delivers a crisp, clean break for enhanced accuracy B5 pistol grip delivers an ergonomic, slip-resistant hold for improved shooting stability Ambidextrous charging handle allows for effortless operation from either side Ambidextrous safety selector ensures easy manipulation and quick engagement Pistol-length gas system for smooth cycling and reduced recoil