LWD 3.5 lb connector. Don't use the Ghost connectors. Use the Lone Wolf connectors. Trust me on this one.
As a gunsmith I change one part at a time. That way if an issue arises I know where it's at and I don't have to troubleshoot all day. I did change all three springs and still found the Ghost connectors to be inconsistent. I have installed the LWD connector into a G21SF and a G30SF without any issues yet. My customers are instructed to contact me the moment they have any issue with any work I have done. To this day I have not received any calls or emails from customers with a problem.Being that you are a gunsmith you should have told them that ghost recomends changing all the springs with their connecters.I installed the ghost rocket and did not install the recomended wolf striker spring.Trigger pull was not consistant. I changed the springs as recomended it made one hell of a difference!Ghost is a fine product and they stand behind it just as LWD does!LWD or Ghost you cant go wrong unless you don't follow recomended instructions!