The S&W Model 10 (Military & Police) served the NYPD and countless law enforcement agencies for over 80 years. One of the most-produced revolvers in history, it was standard issue for American police from the early 1900s through the 1980s revolver-to-semi-auto transition. Type: Revolver Action: Double/Single-Action Caliber: 38 Special Capacity: 6 Year introduced: 1899, USA Weight: 30.5 oz Overall length: 9.3" Status: Active Intended use: Law Enforcement, Collector, Historical