The larger younger brother to 300 BLK 8.6 BLK builds on the lessons and successes of its 30 cal counterpart and brings them to the AR10-sized DISSENT Mk3 platform. Equipped with a quick 1:3 barrel twist 8.6 BLK performs exceptionally out of shorter barrels and suppresses every bit as well as 300 BLK with the bigger and beefier .338 caliber projectiles. – Platform Mk3 – Caliber 8.6 BLK – Operating System Compact Action-Direct Impingement – Barrel Length 12.5 – Barrel Twist 1:3 – Barrel Contour MT – Barrel Material 4140CM Nitride Finish – Barrel Twist 1:3 – Muzzle Device CMMG ZEROED Linear Compensator – Muzzle Thread 5/8 x 24 – Gas Port Location Pistol – Gas Block Adjustable 0.750 – Upper Receiver DISSENT Mk3 7075 T6 Alumunium – Lower Receiver Mk3 Billet 7075 T6 Aluminum – Hand Guard CMMG 11 Proprietary – Finish Cerakote or Hard Coat Anodized – Charging Handle Dissent Side Charger – Reversible – Pistol Grip CMMG ZEROED Pistol Grip – Receiver Extension 1913 Picatinny Rail End Cap – Trigger Type ZEROED Drop-In Single Stage – Trigger Guard Integrated – Safety Selector CMMG ZEROED 60/90 Degree – Magazine Magpul 20rd PMAG (2) – Weight 7.3 lbs – Length 23