Below is the trigger replacement walkthrough for the PT111 G2/G2c/G2s/G3/G3c, I specifically did this video using very basic tools to show that this install does not require a lot of specialty tools.
Below is a detailed look at an easier way to install the trigger spring in a PT111 G2/G2c/G2s/G3/G3c, usually the hardest part of install, and why stiffer trigger
springs are a good thing in these guns.
Below is the trigger replacement walkthrough for the Taurus TX22.
I also have quite a few other videos on my YouTube channel: