The .45 Colt Blackhawk handles the classic cartridge at pressures the Colt SAA frame never safely accommodated. Ruger's strong frame permits .45 Colt handloads approaching .44 Magnum energy levels — the origin of "Ruger Only" loads. The 4.625-inch barrel is the primary configuration and most popular single-action Blackhawk barrel length for everyday carry and range use. Type: Revolver Action: Single-Action Caliber: .45 Colt Capacity: 6 Year introduced: 1970, USA Weight: 40 oz Overall length: 10.5" Status: Active Intended use: Hunting, Range, Cowboy Action