I had to remove most of the shroud on mine to cure POI shift depending on shooting position, but sorted now.
Changed the heavy steel cylinder for an alloy cylinder from a Walther, went on no bother. Quick fill so no need to remove the cylinder.
Cocking mech cleaned up to try and smooth it out.
All of the plastic grips etc changed for wood, offset pistol grip made. Anschutz butt hook in place of plastic job.
Decent scope rail fitted to try and help strengthen the split body.
At least as accurate as my Steyr, possibly more so.
A good buy 2nd hand currently, but seem to need some fettling to fully sort. Having said that, most of use mess on and tinker with whatever we have, so nothing new there.