'-When it comes to the Mossberd heat shield, plastic fiberglass is BETTER! -Plasticote Fiberglass conducts heat 10X less than metal heat shields. -Simple 2-minute installation with included hardware (see photo for positioning behind retainer). -Perfect for active handling and tactical/military applications. -Will not fit short "Breacher" model shotguns or 590A1 Heavy Barrel model . -Made In the USA -We warranty every shield for LIFE! (You break it, crush it, burn it, crack it.......We Replace it!). NO. QUESTIONS. ASKED! In the event that you live near the woods, and there is constantly a danger that any wild creatures may attack your property and can make damage. You need a shotgun with you ready to protect you and your family all the time. Just keeping the gun won’t be of any help if you don’t have the right accessories. Shooting from the gun produces excessive heat and can damage the barrel of the gun which is why you need Mossberg heat shield. You may be living near the woods or at a neighborhood that has high crime rate. In this way, the use of the shotgun with Mossberg heat shield can bring an incredible sense of security for the people concerned.