The only Kral I have that isn’t Lane regged is my np300, every other gun benefits from being regged and setup sub12, as you say a huge shotcount, easier cocking and less rapport, why Kral don’t supply guns setup better beggars belief.

My benchrest project Kral made up of various parts gave me my first 250, I now use it for sticks hft.
That runs a little npo3 cylinder with a Lane, titanium piston with 10mm less stroke and an ssg giving me 85 very consistent shots over 35 from the original setup.

The newer stuff definitely has seen a step up in barrel quality and the triggers

Enjoy