The Allen Pump & Semi-auto Swivel Set is the ultimate upgrade for shotgun enthusiasts featuring durable black metal construction and ultra-reliable magnum swivels. Designed to fit most pump-action and semi-automatic shotguns without pre-installed hardware this set accommodates slings up to 1 inch wide. Included threaded and rotating studs allow seamless attachment to both wood or synthetic stocks and fore-ends ensuring a secure and customizable fit. Easy to install and built to perform this swivel set provides unmatched reliability for hunting and tactical use.