Includes Ghost Ring Sights! Ideal for wet-weather use. Satin Finish with improved rust resistance, ideal for marine environments. An innovative solution to the problem of installing combat sights on a shotgun. Unlike other models, the SHOTFORCE Heatshield Fits All 12, 16, 20, and .410 Gauge shotgun barrels. CAR-15 Style Fixed Nylon Ghost Ring Sights further enhance the Marine Finish Heatshield which has elongated cooling slots. Simply slide over barrel and secure with supplied hardware.