Ruger Blackhawk Convertible, Single Action, Revolver, 45 Long Colt/45 ACP, 5.5" Barrel, Alloy Steel, Blued Finish, Black Checkered Hard Rubber Grips, Ramp Front and Adjustable Rear Sights, 6 Rounds, Includes Extra 45 Auto Cylinder 00463 • Single Action • Capacity: 6 • Finish: Blue • Sights: Front: Ramp Rear: Adjustable • Barrel length: 5.5 • Overall length: 11.38Includes Two Cylinders • Single Action • Capacity: 6 • Finish: Blue • Sights: Adjustable • Barrel length: 5 1/2" • Overall length: 11.1 • 15in Free-Float MLOK Rail/ Ambi Bolt Release