I had the Galloway trigger in and really liked it. I also have their heavier hammer spring, but I was still getting light-strikes.
Over the weekend, while dry fire practicing, the trigger stopped engaging the hammer completely.
I took it apart to see what was going on, and the tigger bar was slipping over the hammer instead of engaging it. The Galloway bar has a different the profile, I assume to allow a smoother release. Below, the Galloway is the one in front:
The stock trigger bar has a flat profile and perhaps a slight forward slope:
The profile on the Galloway is causing it to release earlier and I guess it is worn enough were it is not engaging at all. With the early release, the hammer was not coming all the way back.
I put the factory trigger back and went to the range. I shot close to 100 rounds of various brands without a single issue.
I may see if I can work with the Galloway trigger bar to get it to work (I really like the difference it makes). I imagine if I angle the front slope a little, it could catch with a solid bite on the hammer. For now, though, I'm back to stock.