I found this in a couple of places and thought as more hit the market it might be a worthy modification.
I have read more than one thread suggesting to remove part #52 to drop the trigger pull 1lb. I'm not so sure I need that but:
http://grandpower.eu/kategoria-19-clanok-231-detail-52-firing-spring-back-up-#ad-image-0
http://www.grandpower.eu/forum/viewtopic.php?f=13&t=127
(http://apexgunsmithing.com/wordpress/wp-content/uploads/2015/02/IMG_7161_Labels.jpg)
If you like a really light trigger pull... go for it!