Product Summary
The CMMG Resolute Mk4 Complete Upper Receiver is chambered in 22 ARC and features a 16.1-inch 4140 steel barrel. It is built for durability and precision, utilizing a 7075-T6 aluminum receiver with a striking Midnight Bronze Cerakote finish. The 15-inch M-LOK handguard allows for extensive accessory customization, while the 1:7 twist rate ensures accuracy across various bullet weights. Equipped with a CMMG Zeroed Muzzle Brake, this upper is designed for superior recoil management and seamless integration with drop-in triggers.
