I first read about the options he talks about in one of the older Gun Digest books.
In the third episode of the ITTS podcast, Mr. Reitz and the featured guest, Sgt. Andy Markel, briefly discuss a sidebar about what it was like to be issued a .38 revolver for the first time, and how the firing line was managed during qualification.
https://www.stitcher.com/podcast/wit...ast/e/70017044
Starts at 0:28:54.
It's relatively new. Here's the thread that first mentioned it.
https://pistol-forum.com/showthread....dly-Force-quot