When was the sedgley model 1920 22 revolver used?

The Sedgley Model 1920-22 revolver was primarily used by the United States military during the early 20th century, specifically in the 1920s and 1930s. It was designed for training purposes and to provide a lightweight, low-recoil option for marksmanship practice. Its use diminished as more modern firearms were adopted, and it is now considered a collector's item.