When were springfield model 187 series a made?

The Springfield Model 187 series A was produced in the late 1800s, specifically from 1884 to 1888. This rifle was part of a series of single-shot rifles designed for military use, transitioning from earlier muzzle-loading designs to more modern breech-loading mechanisms. The Model 187 series A was primarily used by the U.S. Army during the Indian Wars and in various conflicts of that era.