Warwick's in Australia has them. https://www.warwicks.com.au/collections/owen-parts Note the page says they will not ship international without an import permit. I emailed them, and they will ship parts such as the end cap, screws, etc. without the permit. NO triggers, sears, etc. As MM mentioned above, the tube does have a slight bevel at the rear for the cap 'fingers' to snap over. I've been told that the cap stays on fine without the bevel.