Elevate your shooting experience with the Cornerstone safety thumb ledge from TANDEMKROSS, designed specifically for the Ruger MKIV. Whether you're a competitive shooter aiming to enhance your speed and precision or a casual enthusiast seeking improved control, this innovative upgrade is your key to a superior grip. Crafted from durable anodized aluminum, the oversized, 1911-style safety thumb ledge seamlessly integrates with your firearm, enhancing the external factory safety without altering its internal mechanisms. This User-friendly, drop-in component is simple to install and offers a perfect opportunity to replace the factory ambidextrous safety, which can be uncomfortable for some users. The Cornerstone safety thumb ledge provides optimal thumb placement, ensuring a secure grip, consistent hand positioning and effective muzzle flip control. As one of the top accessories for the Ruger MKIV, it is an essential addition for competition shooters looking to gain an edge. Secure your Cornerstone safety thumb ledge today and lay the groundwork for enhanced shooting performance. Enlarged safety ledge in the 1911 style Improves factory safety Enhances hand positioning to optimize grip and control