The M-LOK mounting system allows you to attach just about anything to your rail system without having to remove the rail itself. It's universal, and it makes it possible for you to mount only what you need, and exactly where you need it.Features Mounts to all M-LOK compatible handguards and forendsQD Sling Mount accepts any push-button QD swivelMachined from Mil-Spec anodized aluminum for durability and lightweightBeveled edges reduce snaggingAnti-rotation design prevents swivels from spinningMounting hardware included