Originally Posted by
Sensei
The “internet” concensus (comments from Bruce Gray and various Sig forums) was 18lb was the lightest one should go for an EDC gun; 17lb may be used for competition. You are the first person that I’ve come across with issues using an 18lb spring.
I don’t shoot reloads but my plan is to put 250-500 rounds through each with a variety of factory loads. Any light strikes and I’ll move back up a pound. I may try Winchester White Box next since they reportedly have harder primers.