CMMG Endeavor Mk4 AR-15 Upper 22 ARC 20\" Barrel Cerakote Finish

The CMMG Endeavor Mk4 AR-15 Upper in .22 ARC is designed for shooters seeking long-range accuracy and reliability from a lightweight AR platform. This complete upper assembly features a 20-inch barrel, quality ZEROED accessories, and modern handguard design for versatile accessory mounting. 20\" .22 ARC barrel with 1:7 twist rate EML15 M-LOK handguard with accessory slots Includes bolt carrier group and ZEROED ambidextrous charging handle This upper assembly is finished in Cerakote for durability and is compatible with standard AR-15 lowers, providing a solid foundation for precision builds with modern features.