Original Frontier Six-Shooter designation for .44-40 SAAs, named to differentiate from .45 Colt Military model; historically significant early production variant. Type: Revolver Action: Single-Action Caliber: .44-40 Win Capacity: 6 Year introduced: 1878, USA Weight: 40.5 oz Overall length: 10.75" Status: Discontinued Intended use: Collecting, Historical