Leupold steel Quick Release (QR) rings and bases offer a seamless solution for easily removing and reattaching your optic while maintaining zero (+/- 1/4 MOA). This specific ring model fits any riflescope with a 1 inches maintube and is designed to pair perfectly with Leupold's Quick Release bases. It's especially popular for use with muzzleloaders and large caliber rifles, providing versatility and reliability for a wide range of firearms. The QR system utilizes a patented lever mechanism, precision-machined to exact tolerances, ensuring the steel base and ring are securely engaged. The system locks the mount in place by pulling it down and forward, offering a rock-solid connection. This simple-to-use feature allows you to swap scopes on a single rifle, making it an ideal choice for hunters and shooters who travel frequently and wish to remove and store their scopes separately while retaining perfect zero. Leupold's QR 1-Piece and 2-piece bases are compatible with all QR rings, delivering the convenience and accuracy that hunters and shooters trust in the field. The crucial connection between your scope and firearm is always reliable with Leupold mounts. With a wide variety of mounting systems available, you'll find the ideal match for your rifle and shooting style. Proudly made in the USA, Leupold mounts are designed to stand the test of time, backed by a guarantee to withstand years of use and never let you down.