CMMG Endeavor 20" Upper .22 ARC with 1:7 Twist Rate and M-LOK Rail - Rifle-Length with BCG and CH - Tungsten - 28B3D0CTNG

CMMG Endeavor Mk4 22 ARC 20in Upper Receiver - Tungsten Cerakote - The .22 ARC introduces the high-performance capabilities of the .22-250 caliber to the lightweight AR-15 (MK4) platform. The ENDEAVOR MK4 upper group, featuring a 20 inches barrel, ensures it extracts all the ballistic performance you need. Each ENDEAVOR upper group is meticulously assembled and includes the essential bolt carrier group along with a thoughtfully curated selection of parts and accessories, providing comprehensive functionality and customization options. 1:7 Threaded Barrel: 1/2 x 28 Operating System: Direct Impingement Muzzle Device: CMMG ZEROED Muzzle Brake Hand Guard: CMMG EML15 M-LOK Charging Handle: CMMG ZEROED Ambi