Arisaka Defense Hand Stop Anodized Finish Black Fits M-LOK. The primary goal of this accessory is to aid the user in pulling their rifle into their shoulder" enhancing control and recoil mitigation. The Hand Stop can also be used as a barricade stop" or reversed and placed at the front of the handguard to prevent the support hand from slipping off the end. The size and profile were designed to fit a wide variety of hands without being too large to get in the way. Specifications for Arisaka Defense Hand Stop Anodized Finish Black Fits M-LOK: Manufacturer: Arisaka Defense Color: Black Additional Features: Hand Stop Condition: New Case Finish: Anodized Handle Color: Black Blade Finish: Anodized Gun Rail: M-LOK Handle Finish: Anodized Finish: Anodized Black Features of Arisaka Defense Hand Stop Anodized Finish Black Fits M-LOK: Height: 1.3" Width: 0.625" at widest point" Package Contents: Arisaka Defense Hand Stop Anodized Finish Black Fits M-LOK