hi
i can honestly say from shooting un-tuned to tuned,its the way forward
would say the don't make them like they use to,much more mass produced,QC is lacking at most major air gun manufactures.
and you here of air gunners paying good money for there air guns,only to send them back due to a fault,you here more of it now then you did years ago.
if tuning isn't for you ,then i suggest when you purchase your next spring rifle,is you take it apart and degrease it,polish internals check for any sharp edges/burrs,re-grease and put back together.
this i have found make a noticeable di