Seekins Precision’s MRAC is a toolless, quick, on-the-fly, adjustable clamp that accompanies our MRAS rails. This gives the shooter the ability to adjust immediately to any real-world obstacles in the field. Whether hunting, in the heat of combat, or in competition, you can be confident you will be able to adjust to your environment immediately without a workbench and tools. Features: Machined from 6061-T6 aluminum alloyAnodized hardcoatIntegrated MLOK slots Seekins Precision MRAS M-LOK ARCA Clamp 0010560101