Description
Upgrade your next AR-15 build with the CMMG Resolute MK4 5.56 Barreled Upper Receiver, designed for precision and durability. Featuring a 16.1″ Chrome Moly barrel with a medium contour and a 1:7 twist rate, this upper receiver delivers superior accuracy and handling. The 1/2×28 threaded muzzle is equipped with an A2 muzzle device, helping reduce flash signature and improve follow-up shots.
The barrel, made from 4140 chrome moly steel, is coated with a salt bath nitride finish for corrosion resistance and longevity. The mid-length gas system ensures smoother operation and recoil management, making it a reliable choice for any shooting scenario.
The upper is machined from billet 6061-T6 aluminum with a durable black Cerakote finish, paired with the CMMG EML15 M-LOK handguard for added customization options. With a total weight of just 3.6 lbs and an overall length of 25 inches, this upper receiver provides excellent balance and maneuverability.
Features:
- MK4 platform
- 5.56 NATO
- Direct impingement
- 16.1″ barrel length, MT contour
- 1:7 barrel twist
- 4140 CM barrel material, salt bath nitride finish
- A2 Muzzle Devices
- 1/2×28 muzzle thread
- Mid-Length gas system
- Billet 6061-T6 aluminum upper receiver
- CMMG EML15 M-LOK handguard
- Black Cerakote finish
- Weight: 3.6 lbs
- Overall length: 25″
