CA Compliant NAAA(R) .22 Magnum Rimfire Mini Revolver This .22 Magnum Mini Revolver is the ultimate in up front, personal, close-in protection. It's small, easy to conceal and safe to carry. Whether you carry it for hiking and camping or for self-defense, this gun delivers when you need it most. As with every NAAA(R) Mini Revolver, the hammer need not rest on an empty chamber. Using the original half-way notch cylinder, the hammer may rest safely and securely without chance of accidental discharge. Order today!