Product Details 1 Review 16 inch M4 contour barrel Carbine Gas System 1/7 twist rate 4150 Nitride barrel Midwest Industries Marked 1/2x28 Threaded Has M203 Cutout 1 Review Hide Reviews Show Reviews 5 M4 barrel with front site base Posted by Dale Murphy on Jan 10th 2026 This is my second barrel good quality will buy again thank you
5 M4 barrel with front site base Posted by Dale Murphy on Jan 10th 2026 This is my second barrel good quality will buy again thank you
