Uncle Mikes Black Quick Detach Swivels For Marlin 39M & 1894M Mossberg 472 & 500PRICE: $14.99The unique quick detachable design stops the metal swivel body from contacting the gun. The close machining tolerances provide smooth and silent operation. Super swivels do not include studs. All others include studs or barrel bands. SKU: 15312 |