trigger guard

I was wondering if anyone knows of anywhere that I can buy the : 2 pins, ball bearing, and spring that comes in oberndorf style trigger guard assemblies. I ordered the part through eBay (as I'll never do again) and it came complete with all the pins and small parts, however while in the process...

While practicing dry firing (Super Redhawk 7.5"), I've gotten in the habit of tucking my trigger finger behind the trigger between shots instead of extending it above or on the outside of the trigger guard. I imagine it would look weird if I were to do this at the range, especially for people...