CMMG DISSENT Mk4 300BLK 14.5in P&W Upper Receiver 1-7 Twist 5/8 X 24 TPI .750in 23.6in Tungsten 30BA30F-TNG. 5" 300BLK upper group. Although the barrel is only 14.5" long this upper comes with the ZEROED SVD brake pinned and welded to the end...
CMMG DISSENT Mk4 300BLK 14.5in P&W Upper Receiver 1-7 Twist 5/8 X 24 TPI .750in 23.6in Tungsten 30BA30F-TNG. 5" 300BLK upper group. Although the barrel is only 14.5" long this upper comes with the ZEROED SVD brake pinned and welded to the end...