Company that introduced the first magnum revolver, the .357 in 1935
The .357 Magnum first 
became available in 1935 and quickly became a favorite among law enforcement
... [DOC] [TLE] 357: The First Magnum The First Magnum - John Taffin's SIXGUNS ... [PAR] After the .38 Super was introduced, the Springfield firm started working with their .