I have a 990L, 9mm compact and a .40 S&W Full Size. Although I prefer the 9mm compact overall, I would feel confident carrying the .40 full size as a duty or winter carry. I had an M&P 9mm full size and a Glock 30. I may be in the minority, but I prefer the S&W(Walther) 99 series to both the M&P series and Glocks. ALL are solid, reliable weapons and I would carry any one of them without complaint, but have the luxury of picking and choosing favorites. The 990L would serve you well.