Williams Firesights - All Vent Rib 'Slugger' Shotguns Green Rear/Red Front. These Firesights by Williams are easy to install and can be used on both vent rib and vent rib 'Slugger' shotguns. One-Shot firesights have a unique 'double-scoop' design that eliminates the possibility of mis-aiming. Williams Firesights install in minutes simply by screwing the old style target sight onto the new receiver. No permanent modifications required. Williams Firesights - All Vent Rib 'Slugger' Shotguns are one of the best made in the UNITED STATES. Williams Firesights - All Vent Rib 'Slugger' Shotguns fits all model Slugger Shotguns. Designed with old world craftsmanship and new world technology these Firesights have been widely used and highly acclaimed by army and law enforcement personnel as being the finest shooting accessory for decades. These Williams Firesights have been acclaimed by military personnel as the ultimate hunting and shooting accessory due to their reliability and unsurpassed shooting characteristics. Specifications for Williams Firesights - All Vent Rib 'Slugger' Shotguns Green Rear/Red Front 70230: Manufacturer: Williams Gun Sight Front Sight Color: Green/Red Color: Black Fabric/Material: Metal Front Material: Fiber Optic Gun Type: Shotgun Package Contents: Williams Firesights - All Vent Rib 'Slugger' Shotguns Green Rear/Red Front 70230