CMMG Dissent Mk4 6mm ARC 16.1in Upper Group 1-7.5 Twist 5/8 X 24 TPI .750in 25.5in Midnight Bronze 60B2D0C-MB. Combing the flat shooting characteristics of 6mm ARC with the revolutionary DISSENT Compact Action this upper group gives you the ability...
CMMG Dissent Mk4 6mm ARC 16.1in Upper Group 1-7.5 Twist 5/8 X 24 TPI .750in 25.5in Midnight Bronze 60B2D0C-MB. Combing the flat shooting characteristics of 6mm ARC with the revolutionary DISSENT Compact Action this upper group gives you the ability...