sigma trigger is awsome
FWIW: free staters get trigger jobs on their M&P's and SIGMA's as well. So don't feel too bad as a ma**h***.
I recall seeing another website about a simple trigger job on a SIGMA. It involved removing one of the two trigger springs... but I'm not sure which generation or models. The users claimed 100% satisfaction with that... no polishing, grinding, dremel involved... If I find it, I'll post it.
i did toy with the idea of the home-school trigger job, but it's not worth it (for me) as I don't carry mine...
Bottom Line:
the trigger will get better with rounds fired on the M&P...
happy shooting