I've had my Shield for about two years and I'm still not happy with the trigger - it's gritty and too much trigger pull. Thought by now it would have smoothed out, but it hasn't

I'm wondering if you can exchange the Mod 1 trigger with the Mod 2? It seems to be a lot smoother and a lighter pull. Or is there another way of improving it???

I ruled out the Apex trigger system as I don't like the safety on the trigger itself, I prefer the style of the Shield.

TIA,

Ed