308Win and 7.62×51 cases are the same case, this conversion can also be used for 243 and other hybrid cases with a similar base dimension. Disc and calibre specific drop tube to suit 308 / 7.62×51.
Drop tube included in conversion. Requires a rifle stand as retrofit if your rollsizer uses the older style case pusher. New orders require a rifle wire lever kit and will be supplied if you order via the ordering process on the website.