Thread: Re tension a spring?

What are the thoughts on reshaping a 'spring' clip to put a tad more tension in to it?
My CZ has a 'C' clip spring that tensions the extractor claws.
They go soft after a while. Probably BRNO do it too?
Could just remove it, pinch it in a tad to make it tighter but then it will probably stretch back somewhat as I refit it.
My old engineering boss heated springs red hot and bent them (car leaf springs), and let them air cool.
Reckoned they didn't lose their 'springiness' that way.
I thought maybe heat red hot, squeeze it a tad tighter and then...? Air cool? Drop in to oil, remove when cold, reheat gently to a straw colour, quench in water?
Buy a new one (yes, already have but one day the supply will dry up).
Make a new on from some of that strapping steel? Would that stuff be OK? If so, where do I get a short length?
Photos show it, and how it looks when fitted.
Thanks for any help/advice.