The Warne Red-Dot Shotgun Reflex Mount is engineered for compatibility with a wide range of electro optics, including Burris, CMORE, Docter, and Eotech Holosun patterns. This mount features a length of 6.3500 inches and is designed to accommodate multiple reflex fitments, providing flexibility for different optic styles.Key FeaturesMount Type: Compatible with Shotgun Rib, Burris, CMORE, Docter, and Eotech Holosun Pattern Footprint.Adjustable Height: Includes a spacer for easy height adjustments to optimize the setup for your optic and shotgun combination.