Check the listing for details. BLACK OPS POLYMER HEAT SHIELD FOR STEVENS 320 12 GA SMOOTH BARRELS. Color: Black, Condition: New. Listed at 23.89 USD. Black Ops Polymer tactical heat shield for STEVENS 320 12 Ga. plain barrel shotguns. Will not fit ventilated rib barrels, heavy walled or barrel mounted sight/rail barrels. Heat shield is made from black Zytel fiberglass resin and attaches to 12 gauge pump shotgun barrel in front of retaining ring/lug and extends to receiver shielding user from hot barrel between the forend and receiver.Technical InformationMaterial: Fiberglass Zytel Resin Notes: This heat sheild will only work with the 12 gauge smooth barrel model shotgun. Fits 18" as well as longer barrelsStevens Security models with 18.5" security barrels will require modification (shortening-see last photo)Tactical versions and guns equipped with aftermarket forends may require minor modificationSmaller diameter barrels may require shims under forward mounting bracketsTHIS PART IS FOR SHOTGUNS Note: Pictures of the shotgun and accessories for illustration purposes only. This auction is for the Polymer Heat Shield only. SHIPS FAST FROM THE USA TO THE USA!"FASTEST SHIPPER ON EBAY"