The CMMG Resolute 22 ARC MK4 16.10in upper receiver is built for the MK4 platform and pairs a 16.10in 22 ARC barrel with a 15in M-LOK handguard. Finished in Midnight Bronze Cerakote and equipped with the CMMG Zeroed Muzzle Brake, this upper is designed to deliver a compact, controllable setup for 22 ARC builds.
Key Features
16.10in 22 ARC barrel with 1:7 twist for stable long-range performance
4140 steel barrel paired with a 7075-T6 aluminum receiver for durable, lightweight strength
15in M-LOK handguard for easy mounting of accessories
CMMG Zeroed Muzzle Brake to help manage recoil and muzzle rise
1 / 2×28 muzzle threading for compatible brake and suppressor accessories
Midnight Bronze Cerakote finish for corrosion resistance and a consistent look
Choose the CMMG Resolute 22 ARC MK4 upper receiver to complete your next 22 ARC MK4 build with a purpose-built barrel and modern M-LOK handguard.
