How many cycles for standard carbine action spring?

[jet80tv]

Just curious if anyone has any knowledge roughly through use or actual data from a source. If I have say a $4.50 standard BCM carbine action spring what kind of life can I expect of the spring? I say "cycles" because that is the term springco uses to explain the wear life of their springs which I believe they claim is 500,000 or is it 100,000? Guess it depends on which color any way in relation to the sprinco type springs if I had a quality plain Jane spring how long should I expect it to last? Thanks

[Iraqgunz]

Please take the time to read around. There is no way to tell which is why there are established measurements that are used. If it goes below a certain lenght, it gets replaced.