I haven’t tried the reach reduction kit, but I knew I wanted to get that crazy 10+ lb D/A trigger pull under control.
https://www.youtube.com/playlist?list=PLHWtFdijvRr_qwi7Q4_PjU8GQHpdVPcVnI was able to get a 50% reduction in the D/A and about a 25% reduction in the single action, not that the single action ever needed any work. It did require polishing of the metal on metal internal trigger components, but that was pretty straightforward.
I’m noting the odd light strike on CCI primers, but Winchester primers all ignite and I’m switching over to Federal Match primers for my competition loads, so light strikes won’t be an issue with them.