| Platform | Mk4 |
| Caliber | 5.56mm |
| Operating System | Direct Impingement |
| Barrel Length | 16.1 |
| Barrel Twist | 1:7 |
| Barrel Material | 4140CM Nitride |
| Barrel Twist | 1:7 |
| Muzzle Device | N/A |
| Muzzle Thread | N/A |
| Gas Port Location | Mid |
| Gas Block | ZEROED Adjustable .750" |
| Upper Receiver | DISSENT 7075 T6 Aluminum |
| Hand Guard | 13" M-LOK |
| Finish | Cerakote |
| Charging Handle | DISSENT Side Charger - Reversible |
| Weight | 4.9 lbs |
| Length | 16.1" |
Expected to ship within 15-30 business days. AR Parts Notice - State/local restrictions may apply in CA, CT, DC, IL, MA, NJ, NY, or WA. Customers must review our Shipping Policy prior to ordering.
UPPER GROUP, DISSENT, Mk4, 5.56MM, 16.1", Empire Profile, Non-Threaded
The CMMG Mk4 DISSENT upper group in 5.56mm combines precision engineering with versatile compatibility. This complete upper assembly features a 16.1" Empire Profile barrel with an unthreaded muzzle and recessed target crown. The medium-taper barrel design optimizes weight distribution while meeting specific state requirements. Built on CMMG's proven Mk4 platform, this upper group is ready to perform.
Key Features:
- Complete Mk4 DISSENT upper assembly
- 16.1" barrel in 5.56mm
- Empire Profile medium-taper design
- Unthreaded muzzle with recessed target crown
- State-compliant configuration
- Ready to install on compatible lower receivers
*Please allow 2-3 weeks for your order to process and ship as we hand build each item just for you