Deluxe 12 gauge shotgun heatshield with ghost ring sights. Contructed from high strength steel with matte black powder coating. CNC machined ghost ring sights. Positively locks behind forward barrel lug. Customizable stop to prevent any movement while firing. Fits with or without aftermarket mag extension. Manufactured in the USA. Does not fit vented rib barrels. Note: barrel lug must at least 13.75 inches away from the receiver for the heatshield to fit (measured from end of the receiver to beginning of the barrel lug).