Warne Red-Dot Shotgun Rib Reflex Mount Black. Many popular shotgun models are not drilled and tapped for a conventional scope base or rail Warnes proprietary clamp design attaches directly to a vented rib barrel and allows for a low profile universal mounting plate that fits most popular reflex sights. While The Warne Shotgun Rib Reflex Mount is great for turkey waterfowl and upland bird hunting it is equally effective for clays competition and tactical use. Specifications for Warne Red-Dot Shotgun Rib Reflex Mount: Manufacturer: Warne Color: Black Finish: Anodized Gun Make: Universal Gun Model: Universal Gun Type: Shotgun Fabric/Material: Aluminum Co-Witness: 0 Optic Cut: Burris Fastfire Vortex Razor Leupold DeltaPoint Docter/Noblex Burris FastFire 3 Shield RMS Holosun HS507C Vortex Viper Leupold DeltaPoint Pro Vortex Venom Trijicon RMR Length: 8 in Width: 4 in Height: 2 in Weight: 1 lb Mount Type: Rib Mount Features of Warne Red-Dot Shotgun Rib Reflex Mount Lightweight Aluminum Fits Most Shotgun Ribs Package Contents: Warne Red-Dot Shotgun Rib Reflex Mount Warne 6108M: Red-Dot Shotgun Rib Reflex Mount Black