

CMMG 8.6 Blackout 12.5" Dissent MK3 Upper, Anodized Black
Product Description
Description: CMMG 8.6 Blackout 12.5" Dissent MK3 Upper, Anodized Black. This complete upper assembly from CMMG is the same unit found on the CMMG DISSENT MK3 pistol, this time chambered in 8.6 Blackout. The upper can be installed on a standard AR-15 lower and utilizes CMMG 8.6 Blackout AR magazines. The bolt carrier group is included and this upper features a 12.5" medium taper barrel with 5/8" x 24 threads with a ZEROED linear compensator installed. The proprietary 11" handguard offers M-LOK accessory attachment points along with Picatinny rail segments on top that extend what is found on the receiver. The billet 6061 T6 aluminum receiver with the rest of the unit has a black anodized finish and boasts an ambidextrous charging handle.
CALIBER | 8.6 Blackout |
FIREARM TYPE | Pistol |
OPERATION | Compact Action-Direct Impingement |
RECEIVER MATERIAL | Billet 6061 T6 Aluminum |
FINISH | Black Hard Coat Anodized |
BARREL LENGTH | 12.5" |
BARREL MATERIAL | 4140CM, Nitride Finish |
BARREL CONTOUR | Medium Taper |
BARREL TWIST | 1:3 |
BARREL THREADS | 5/8" x 24 TPI |
MUZZLE DEVICE | CMMG ZEROED Linear Compensator |
GAS PORT LOCATION | Pistol |
GAS BLOCK | Adjustable 0.750" |
HANDGUARD | CMMG E11" Proprietary |
CHARGING HANDLE | Dissent Side Charger - Reversible |
WEIGHT | 5.5 lbs |

Manufacturer: CMMG
PRODUCT SPECIFICATIONS:
- Barrel Length: 12-1/2"
- Barrel Thread Pitch: 5/8" x 24 TPI
- Brand: CMMG
- Caliber: 8.6 Blackout
- Finish / Color: Black
- Firearm Type: Pistol
- Material: Aluminum,Steel
- Models Fit: CMMG DISSENT,AR-15
Specifications
- Barrel Length: 12-1/2"
- Barrel Thread Pitch: 5/8" x 24 TPI
- Brand: CMMG
- Caliber: 8.6 Blackout
- Finish / Color: Black
- Firearm Type: Pistol
- Material: Aluminum,Steel
- Models Fit: CMMG DISSENT,AR-15