Not at the bottom of the garden where the targets are, no...
Reaming has gone well - if anyone is thinking of doing this then check the lengths of the reamers before you buy them; mine were 70 and 75mm and *only just* long enough to get to the end of the TP when using a tap holder.
Piston seal is the old type and as suspected completely shagged. Currently doing a thorough job of deburring and degreasing. Can't find my wd40 brand degreaser but isopropyl alcohol is doing a good job of it.