MDT M-LOK Adjustable Thumb Rest Black. Emphasizing control adaptability and precision. It's the perfect fit for both seasoned shooters and passionate hobbyists. Useable in any standard M-LOK slot. Specifications for MDT M-LOK Adjustable Thumb Rest: Manufacturer: MDT Color: Black Gun Model: Ruger American Rifle Quantity: 1 Features of MDT M-LOK Adjustable Thumb Rest: The MDT M-LOK Adjustable Thumb Rest offers a consistent grip point for your support hand reducing wobble and increasing your shot's accuracy. The MDT M-LOK Adjustable Thumb Rest isn't about fitting in; it's about fitting you. With easy angle adjustments you can set it to your exact preference ensuring your rifle feels like a natural extension of your arm. The MDT M-LOK Adjustable Thumb Rest features an aggressive molded texture ensuring that your thumb never slips. Package Contents: MDT M-LOK Adjustable Thumb Rest What firearm models does the manufacturer say MDT M-LOK Adjustable Thumb Rest is compatible with? The manufacturer suggests that MDT M-LOK Adjustable Thumb Rest is compatible with Ruger American RifleMDT 106900-BLK: M-LOK Adjustable Thumb Rest Black