I have to say I just love this little pistol. The only thing I want to change is the trigger, it is very stiff. I know how to adjust the trigger preasure on my Kimber Grand Raptor (never have though, like it just the way it came) but the Sig doesn't have any adjustment that I can see. Is it possible to lighten it up or do I have to take it to a gunsmith? Thank you for your help.