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  1. FN FNS
    Made for an FN 509. Will this work in an FNS 9c? Are the springs the same? Update I was browsing the forum and saw some recommendations for Apex triggers. They also sell "heavy duty strikers" and sell the same one for the FN 509 and FNS 9C. This leads me to believe the M*Carbo 509 kit will...
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