N4 Light 14.5" Cold Hammer Forged 5.56mm Barrel
5.56 NATO Chamber Made of Mil Spec M249 Machine Gun barrel steel, with heavy M249 Chrome Lining, (appx. 2 times as thick as an M4 or M16) Extended Feed Ramps MP HP tested with certification 1 in 7" twist Mil Spec Phosphate finish Mid length gas system 1⁄2×28 threads Low-profile gas block pinned to barrel Mid length gas tube Included
Instructions For your convenience we have published a set of barrel care instructions for this product. The instructions are in Adobe Acrobat's Portable Document Format (PDF). You will need Adobe Acrobat Reader version 5.0 or higher to view and print the instructions. If you do not have Adobe's Acrobat Reader, you can download a free copy athttp://www.adobe.com/acrobat/readstep.html.