The S&W M1917 is the Smith & Wesson companion to the Colt M1917, produced simultaneously during WWI. Used half-moon clips to chamber .45 ACP in a N-Frame revolver. Both manufacturers' M1917s are interchangeable and were issued without preference. Type: Revolver Action: Double/Single-Action Caliber: 45 ACP Capacity: 6 Year introduced: 1917, USA Weight: 36.5 oz Overall length: 10.8" Status: Discontinued Military use: Yes Intended use: Military, Collector, Historical