deal for AR pistols and short barreled rifles, the tactical 7 Verge M-LOK rail is a slim, low profile handguard designed to be as ergonomic and lightweight as possible. A skeletonized design makes for an overall lighter rifle, while anodized aluminum construction ensures your rail can take a beating and continue to perform. This rail system features a precision mark M-LOK attachment system, compatible with all M-LOK accessories. The Verge includes a 7-slot M-LOK rail piece and hex key.