My personal experience. Bought a new one in .177 back in 2014. Had to go back for a 'rework'. Maybe it was a Friday afternoon build?
I kept it, but it is probably my least favourite rifle. Still find it quite harsh. My SMK B19 was smoother out of the box!
In complete contrast, bought an early '80's one in .22. Lovely, soft firing cycle, so smooth I thought it was underpowered. That is one of my favourite guns!
Try before you buy, if you can. Do find them on the heavy side as I've got older & had some minor health issues.
They made many thousands since the '50's(?), so don't rush into buying one - plenty about.
ATB
Webley Mk3 x2, Falcon & Junior rifles, HW35x2, AirSporter x2, Gold Star, Meteors x2, Diana 25. SMK B19, Webley Senior, Premier, Hurricane x 2, Tempest, Dan Wesson 8", Crosman 3576, Legends PO8. Kral Puncher K.