The CMMG 30BC40AAB Resolute MK4 is a testament to superior engineering and design, featuring a robust Armor Black finish and M-LOK Free-Float Handguard. This upper group is chambered for 300 Blackout, making it a versatile choice for AR-platform enthusiasts. Its 16.10" barrel is crafted for precision and reliability, ensuring seamless integration with your AR15 lower group.

Ideal for range time, training, and enhancing your firearm collection, the Resolute MK4 stands out for its ease of use and adaptability. CMMG is renowned for its innovative approach and commitment to quality, making this upper group a staple for any enthusiast.

Key Features:

• Manufacturer: CMMG
• Model: Resolute MK4
• Caliber: 300 Blackout
• Condition: New
• Finish Color: Armor Black
• Barrel Length: 16.10"
• Handguards: M-LOK Free-Float
• Threaded Barrel: Yes
• What's In The Box: Upper Group (No BCG or Charging Handle)
• Weight: 3.935 lbs
• Length: 31.3"