Five lb connector and NY1 induce spring in ALL of them. What I've observed over these 8 guns (extra so With all the 6 G30's of all 3 configurations, but still to some degree present in The 2 G21's) is the following - Maybe a dumb question, but will be https://lorenzoyxnfu.thekatyblog.com/31696143/the-fact-about-glock-30-gen-4-that-no-one-is-suggesting