The Adaptive Tactical Receiver-Mounted Shell Carrier for Shotguns keeps six 12-gauge shotshells at the ready without any permanent modifications to your shotgun. It installs quickly and easily on the left side of your receiver to provide fast access to shells when seconds count. Made from chemical- and weather-resistant synthetic rubber, it features a shaped mounting plate that fits closely to your receiver's contours so it won't catch or snag. Holds six 12-gauge shells Installs quickly without permanent modifications Made from chemical- and weather-resistant synthetic rubber Shaped mounting plate fits closely to the receiver's contours