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This is our Torture test of the Zytel Mossberg 500/Remington 870 heat shield. Check out the link for Mossberg, Winchester, and Remington below: http://www.sladestreettactical.com/index.php?rt=product/search&keyword=heat%20shield&category_id=0 Full description below: Made of virtually indestructable Plasticote Zytel Fiberglass -Will not scratch barrel like metal heat shields will. -Fits ALL Smooth barrel lengths, including 18 inch barrels -Will not add noticeable weight to your gun. -Will not rust. -Will not melt. -When it comes to heat shields, 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 . -Also fits a Maverick 88 great! -As always, the lowest price on the internet. Feel confident purchasing from a Pro! -Chris