Start of lstUrls_of_images_in_html_descriptionProduct Number: 15972 This kit will allow you to mount a sling on most 20 gauge guns. Magnum split barrel band base mounts without tools or dismantling. Features 1″ Swivels (#1597-2) Fits most 20 gauge guns, 0.700″ to 0.750″ diameter, including the Browing 1886 & Model 17 Rifles, as well as the Ruger over/under shotguns in 20 gauge Swivel – QD115 SG4 End of lstUrls_of_images_in_html_description