how you getting on with the cz style,i have the same gun and it shoots spot on,i have the brooks kit on mine as the trigger out the box can be silly heavy,and cause you to struggle to get good groups,especially if your used to air rifle triggers,i got my brooks kit direct from usa,took a week and about £8.00 allin,and it is a doddle to fit,just be sure to do the drop test,and you dont allways need to put the pins in,mine is spot on with just a spring change,but went off on the drop test with a pin,on the same spring,just mess about,it will improve your shooting big style,and you soon be doing