CMMG 16 Lightweight SBN Barrel, 5.56MM The 16.1 lightweight is the perfect barrel for building your custom lightweight AR15 upper group. Comes with properly installed M4 barrel extension. All barrel sub-assemblies are properly head-spaced. Description: 16.1 Light Taper Profile 4140CM Salt Bath Nitride Finish 1:7 Twist 5.56-45 NATO Chamber Threaded 1/2-28 Mid length gas port .625 Gas Journal
CMMG | MPN: CMM55D470B | UPC: 815835018102
