Neal, I'm putting together the same setup and currently use the G20 for cool weather carry in its stock form, but I went with Ameriglo tritiums. I was considering an adjustable. Come deer season the 6" KKM goes in with a 2x-6x scope. I'm thinking the tritiums will be fine doing double duty; deer hunting at close ranges and self defense carry during off-season. Well...thats my plan, we'll see if it works.