Ever have an issue with your rifle tipping backward when you sling it onto your back; or worse, you finally got a new suppressor and now the balance is off. This adapter uses the existing 10-32 sling studs in your stock to move your sling attachment point forward (Stud & QD). the bottom has a radius to keep the adapter stable. The picatinny section allows a bipod to be mounted or other compatible accessories. The adapter weighs 1.41 ounces and comes with (2) 10-32 screws for installation. Overall length is 6 inches. The inside spacing is 3.89 inches. please measure your existing sling stud spacing to insure proper fit.