Quote:
Originally Posted by BigDog48
It has a different spring weight, which is why it makes the slide easier to rack. If the slide is easier to rack it probably cycles harder when fired and therefore wears all the internals more.
I have one, but am saving it in case the original ever fails. I'm at well over 1000 rounds in on my Shield 9 and it never has failed. I'm 400 rounds in with my Shield 45 and the original is doing fine in it also.
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Over 8,000 rds on my M&P 9mm. Original guide rod assy still working fine.