CMMG Resolute MK4 Complete Upper Receiver for AR15 6mm ARC – 16.1 Inch Barrel, Black (60B1091-AB)

• Complete upper receiver assembly chambered in 6mm ARC caliber
• Includes 16.1 inch threaded barrel for extended range shooting applications
• Constructed with durable components for reliable performance and longevity
• Cerakote Armor Black finish provides corrosion resistance and wear protection
• Compatible with standard AR-15 lower receivers for modular rifle builds
• Designed for precision shooting with modern 6mm ARC cartridge

The CMMG Resolute MK4 Upper Receiver 6MM ARC 16.1″ Cerakote Armor Black is a complete upper receiver designed for AR-15 rifle builds chambered in 6mm ARC. This upper receiver assembly includes a 16.1-inch barrel and is configured as a complete upper for compatible lower receivers. It is designed to integrate with AR-15 platforms for this cartridge type.

The CMMG Resolute MK4 upper receiver features a 16.1″ barrel chambered in 6mm ARC and a Cerakote Armor Black finish. It is categorized as a complete upper receiver assembly and fits AR-15 platform rifles. The assembly includes integrated upper components in a single unit. This product is used for assembling or upgrading rifle systems for range use or field setups. In standard configurations, the complete upper receiver installs onto a compatible lower receiver to form a functioning rifle system.