The Noveske Stainless Lo-Pro Gas Block Barrel is a 5.56mm barrel made from 416R stainless steel, with a 1:7 twist rate and a hand-polished, proprietary Noveske Match chamber. It features a pinned .750″ low-profile gas block, an M4-style barrel extension with extended feed ramps, 1/2X28 muzzle threads, and a 60-degree crown. Each barrel is individually serialized and includes a gas tube matched to its gas system.