The TacStar 1081035 Sidesaddle Rail Mount is a durable accessory for Remington 870, 1100, and 1187 shotguns, featuring a black polymer construction with an aluminum mounting plate. This unit securely holds six 12 gauge shotshells in a Slimline SideSaddle carrier made from flexible synthetic rubber. The integrated Picatinny rail allows for the attachment of various accessories while maintaining the use of the shotgun's bead sight.Key FeaturesIncluded Shotshell Carrier: The Slimline SideSaddle carrier holds six 12 gauge shells for easy access.Mount Type: This rail mount attaches directly to the receiver of compatible shotguns.Accessory Compatibility: The top Picatinny rail accommodates a variety of accessories.