Globe front sight 6 sight inserts Fits Weihrauch & Beeman HW air rifles with muzzle sight grooves Tech Tip: The 9398 sights are made for any HW and Weihrauch made Beeman break barrel rifle that has dovetail grooves on the muzzle end of the barrel (some Beeman rifles just came with muzzle brakes with no provisions for front or rear sights). Tech Tip: These sights do not have any moving parts in the clamps and are often very tight that they occasionally need to be physically manipulated to get them on to the dovetail on the barrel (i.e. tapped with a hammer. In some cases, folks have filed the sight's clamping points a little to get it on there but normally this would not be necessary.