I haven’t read through all of the posts, so this may have already been addressed.
Did Sig definitely make an update to the pistol? The last few pictures I’ve looked at seemed like a lot less primer drag.
I ran into a Sig rep yesterday at the NRA Outdoor Show in Harrisburg, PA. I asked about the issue and he seemed very defensive on the subject and denied there ever being an issue. I smiled and said have a nice day.