5 lb connector and NY1 result in spring in ALL of them. What I have noticed above these 8 guns (additional so with the 6 G30's of all 3 configurations, but nonetheless relatively present in the two G21's) is the following - I'm actually wanting to buy a Gen4 G29/30 https://paxtonzgilm.wssblogs.com/32833166/not-known-factual-statements-about-glock-30-gen-4