Thanks all for the replies and helpful information.
To close the loop on this thread: The folks at Ceandess were able to gather enough spare components from their inventory at the end of last year to make a couple of caps and filler necks for me.
To close the loop on this thread: The folks at Ceandess were able to gather enough spare components from their inventory at the end of last year to make a couple of caps and filler necks for me.