Heavy vent barrel, a bull cylinder and oversized black rubber grips. Five shot capacity. The Mini-Master Mini-Revolvers evolved from our popular .22 Magnum frame series. The result is enhanced stability and accuracy for the shooter. The Mini-Master has a Heavy Vent Barrel, a Bull Cylinder, Oversized Black Rubber Grips and comes with either adjustable Millet Sights for elevation or fixed Low Profile Sights. Using the original half-way notch cylinder, the hammer may rest safely and securely without chance of accidental discharge. Comes with an NAA Branded lockable hard case!The Mini Master evolved from NAA’s Magnum frame series and includes the time tested design characteristics that are incorporated in all NAA mini-revolvers. The result is enhanced stability and accuracy for the more serious shooter.