Naa's.22 magnum ported mini-revolver is the ultimate in up front personal close-in protection.It's small easy to conceal and safe to carry using the half-way notch cylinder so the hammer may rest safely and securely away from live or empty chambers without chance of accidental discharge.The 22 mag cylinder can be used with all popular.22 magnum ammunition including.22 magnum shot-shells.This model has a ported barrel and comes with a special.22lr conversion cylinder made longer to easily fit in the.22 magnum mini-revolver.Frame Description: Stainless Steel FrameType: RevolverAction: SAOCaliber: 22 LRBarrel Length: 1.63"Capacity: 5rdHammer Style: ExposedGrips: Rosewood BirdsheadSights: Bead FrontWeight: 6.20 ozFrame Size: SmallCylinder Finish: StainlessBarrel Finish: StainlessOal: 4.63"Includes: CylinderBarrel Length Range: 1" to 1.99"Weight Range: 3 oz to 8.99 oz