Wilson Combat Extension Tube, Wave Washer Details

Hardened spring steel washer is specifically shaped to retain the late-model Remington 870 forend wood using the old-model magazine tube nuts. Allows you to install new model wood onto the older shotguns without having to drill the forend and stake in a magazine tube nut retaining detent. This wave washer can also be used to help retain worn Remington 870 magazine tube nuts. Spring steel construction Item Nr.: 403-SGET-WAVE