Government arsenal production of spare parts and limited complete revolvers for the M1917 program. Rock Island Arsenal supported both Colt and S&W M1917 production with parts and refurbishment. Type: Revolver Action: Single-Action Caliber: .45 ACP Capacity: 6 Year introduced: 1917, USA Weight: 40 oz Overall length: 10.8" Status: Discontinued Military use: Yes Intended use: military