The Linemount Winchester 1897 Trench Gun Heat Shield is a close reproduction of original WW1 trench gun heat shield. The Linemount reproduction products are designed to be a faithful reproduction for those that have a longing for the guns of the past, without the sticker shock of a collectible original. Whether you have nostalgia for a weapon of your own youthful days, or you were just born too late, these Retro parts will scratch your itch for the "Good Old Days". FeaturesBrass front beadBayonet lugTough steel construction Notes:Only compatible with original Winchester 1897s that have grooves cut for the attachment screws on the underside of the end of the barrel. For models without these grooves, machining will be necessary to accommodate the screws.Will not fit reproduction 1897s that do not have the grooves