Blued outer magazine tube for an 1890 Winchester WRF pump .22 rifle. Opening on the tube is made to accommodelate WRF bullets and diameter fits through the regular Magazine Hanger (magazine ring)s. This is specifically 1890 WRF. (All replacement outer mag tubes are designed so you don't have to use the magazine friction spring)This will not work on the model 61 WRF. It uses special tubes that are longer. Overall tube length is 17 1/2 inches