Description

Upgrade your AR15 with the CMMG RESOLUTE MK4 300 AAC Blackout Upper. Featuring a 16.1″ matte black barrel and a 1:7″ twist rate, it offers unmatched accuracy and bullet stabilization. Designed for easy assembly, this upper group is perfect for enhancing your firearm without a BCG or charging handle. Trust in CMMG’s precision craftsmanship for a reliable and high-performance shooting experience.