The Talley RMR870 Base offers a durable and precise mounting platform for Trijicon RMR and other RMR-footprint optics on Remington 870 shotguns. Engineered for a secure, rock-solid fit, this base is machined to maintain reliable alignment and hold zero even under the substantial recoil typical of pump-action shotguns. Its low-profile design provides optimal sight height, allowing for fast target acquisition and a streamlined setup ideal for hunting, home defense, or competition use. Purpose-built for the 870 platform, the Talley RMR870 delivers dependable performance and long-lasting confidence in any shooting environment.