CMMG Resolute MK4, Upper Receiver, 16.1″ Barrel, Cerakote Finish, Armor Black, Rslt 6MM Arc

Product Description

The CMMG Resolute MK4 6MM ARC upper receiver delivers premium performance in a complete, ready-to-install package. This 16.1-inch barrel upper combines cutting-edge engineering with the efficient 6MM ARC cartridge. Furthermore, the Armor Black Cerakote finish ensures long-lasting durability and corrosion resistance in demanding conditions.

Additionally, this upper integrates seamlessly with any standard mil-spec AR-15 lower receiver. The 6MM ARC caliber provides excellent mid-range ballistics and accuracy. Therefore, it suits competitive shooters, hunters, and precision rifle enthusiasts equally well. Moreover, the 16.1-inch barrel length balances velocity with handling versatility.

Features Built for Performance

CMMG’s manufacturing standards ensure tight tolerances and consistent reliability. The Resolute MK4 platform excels in both training and multi-platform applications. Also, the 6MM ARC offers manageable recoil without sacrificing stopping power. This makes the upper receiver ideal for shooters of varying experience levels.

In addition, Armor Black Cerakote coating provides superior protection against rust and wear. The complete upper assembly arrives ready for installation on your lower receiver. Indeed, CMMG’s reputation for quality engineering stands behind every unit produced.

Ideal for Caliber Conversion and Training

Whether you’re building your first AR or expanding your platform’s capabilities, the CMMG Resolute MK4 simplifies the process. Caliber conversion becomes straightforward with this pre-assembled upper. Finally, serious shooters appreciate how this configuration delivers proven reliability and accuracy.

Ordering from Western Sport

Order online and it ships straight to your door. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Frequently Asked Questions

Q: Will the CMMG Resolute MK4 fit my AR-15 lower receiver?

A: Yes, this upper uses standard mil-spec AR-15 dimensions for seamless compatibility. It installs on any mil-spec lower receiver without modifications. Always verify proper headspace and function before firing.

Q: What warranty does CMMG provide on this upper receiver?

A: CMMG backs this product with a manufacturer’s warranty against defects under normal use. Contact Western Sport for specific coverage details and any warranty claim procedures.

Q: How does the Texas FFL transfer process work for this upper?

A: Upper receivers are not regulated as firearms under federal law and ship directly to you. Western Sport ensures full compliance with all applicable Texas and federal regulations.

Q: Is the 6MM ARC suitable for hunting and long-range training?

A: The 6MM ARC excels for mid-range hunting and precision training applications. It offers excellent accuracy and manageable recoil for most shooters and training scenarios.

Additional information