ATI Deluxe Heat Shield with Ghost Ring Sights: * Fits most 12, 16, 20 and .410 gauge shotgun barrels * AR-15 style fixed nylon ghost ring sights further enhance the high quality blued steel heat shield, which has elongated cooling slots * Simply slide over barrel and secure with supplied hardware * Features: * Steel heat shield * Matte black finish * 13-1/2" long * Model# SBS4600