SKU: CMMG60B1091-AB
UPC: 810097504660
The CMMG Uppr Rslt Mk4 6mm Arc 16.1" Blk is a purpose-built upper receiver assembly chambered in 6mm ARC, designed for precision intermediate-range engagement. This assembly is optimized for users who require a compact and efficient platform for tactical applications, hunting, and precision shooting.
The 16.1-inch barrel length balances velocity retention with handling characteristics critical for various shooting disciplines. The 6mm ARC cartridge is known for its ballistic efficiency, combining moderate recoil with effective downrange energy retention. This configuration allows for effective performance across mid-range distances, making it suitable for precision work and training.
This upper receiver assembly integrates seamlessly with standard AR-15 lower receivers, preserving platform interchangeability. Shooters can leverage their existing infrastructure and ergonomic familiarity while benefiting from the unique characteristics of the 6mm ARC cartridge. This makes it an excellent choice for operators, precision rifle competitors, and hunters looking for a modern intermediate cartridge platform.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
