Simply attach these durable steel adapters to the swivel stud in order to use push-button swivels. They have a black powder-coated finish for durable corrosion resistance. GrovTec is the American standard in slings, swivels and related firearms accessories. As the folks at GrovTec like to say, "Go hunt. We'll carry the gun."Specifications and Features: GrovTec GTSW235 Steel Convert swivel stud to push button base Black