 'American Eagle' 7.65 Model 1900 pistols were used by variety of buyers, including American lawmen such as Stringer Fenton, outlaws, and Texas Rangers.After testing, the Swiss Army adopted the Model 1900 on April 4, 1901 in 7.65x21mm caliber as its standard side arm, designated "Pistole 1900".This model uses a barrel and incorporates a grip safety and leaf-type mainspring.