5 lb connector and NY1 set off spring in ALL of them. What I've observed around these 8 guns (additional so with the six G30's of all a few configurations, but still to some degree current in The 2 G21's) is the following - That's based on owner-described problems in https://beauczmxb.topbloghub.com/39178654/the-basic-principles-of-glock-30-gen-4