An ORIGINAL outer magazine tube for an 1890 Winchester WRF pump .22 rifle. LOADING PORT on tube is larger and made to accommodelate WRF bullets but the outside diameter fits through the regular Magazine Hanger (magazine ring)s. This is specifically 1890 . This will not work on the model 61 WRF. It uses special tubes that are longer. Overall tube length is 17 1/2 inches