NAA's Black Widow and Mini-Master Mini-Revolvers evolved from their popular .22 Magnum frame series and include the time tested design characteristics that are incorporated in all NAA Mini-Revolvers. The result is enhanced stability and accuracy for the shooter.Both the Black Widow and the Mini-Master have a Heavy Vent Barrel a Bull Cylinder Over-sized Black Rubber Grips and comes with either Adjustable Marble Arms Sights for elevation or Fixed Low Profile Sights also by Marble Arms.