Those springs can be tweeked to be tight again.
>Remove itsy bitsy teensy weensy screw, don't loose it.
>Remove spring.
>Clean spring pocket.
>Clean spring.
>Gently bend ends of spring down.
>Reinstall spring.
>Gently tighten itsy bitsy teensy weensy screw, so you don't break it.
>Properly reinstall slide plate.
Done a couple like that, they work just fine.
Joe