The gun's sounding lovely, Mick.
THE BOINGER BASH AT QUIGLEY HOLLOW. MAKING GREAT MEMORIES SINCE 15th JUNE, 2013.
NEXT EVENT :- August 3/4, 2024.........BOING!!
I had another little play with it yesterday Tone just to make sure I hadn't missed a trick.
First up I sleeved the transfer port down to 2.5mm which absolutely destroyed the power output, so I drilled the sleeve out to 2.9mm which brought the power back up just short of where I started but there was quite a shot to shot variation in velocity.
I tore the action down again and added the 4mm preload washer back on the guide, while I was in there I removed the two breach seal O rings and replaced them with a HW77 breach seal with a 0.8mm shim underneath it.
So now the power is back up and I have a much smaller shot to shot variation --- in all honesty sleeving the transfer port was probably a waste of time but fitting the Weihrauch breach seal was well worth while.
All the best Mick
Taking the port to around 3.4/3.5 would be perfect if it's still full length
Always looking for any cheap, interesting, knackered "project" guns. Thanks, JB.