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Discussion Starter · #1 ·

I've owned a 509 Tactical for about 4 years now but only now finally managed to get my suppressor for it.

The problem I'm running into is that the gun won't cycle with it. I have a red dot installed and also tried the yellow recoil spring, no luck (and yes, a Nielson device is installed in the can).

Does anyone know if there are third party recoil spring assemblies that are lighter/weaker than the yellow one that comes with the gun?

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