Argh. Tried to replace the KC02 nozzle last night, I snapped the first spring, and overstretched the 2nd. I've literally had enough of the woes on this damn gun.
Just going to sell the bugger as spares, it's been more of a pain in the arse than all the WE gun problems combined. I managed to lose the spring retention pin in the process as well. Does mean the rogueworx BC isn't getting used.