The Model 547 is a K-Frame revolver chambered in 9mm Luger that uses a unique extractor design to eject the rimless 9mm cases without requiring moon clips. Developed for military and law enforcement clients who needed 9mm compatibility in a revolver platform. Type: Revolver Action: Double-Action Caliber: 9mm Luger Capacity: 6 Year introduced: 1980, USA Weight: 32 oz Overall length: 8.5" Status: Discontinued Intended use: Law Enforcement