twenty-two rifle(n = noun.artifact) - a .22-caliber rifle;
is a kind of .22, twenty-two
air rifle, assault rifle, automatic rifle, browning automatic rifle, express rifle, garand rifle, m-1 rifle, machine rifle, minie rifle, national rifle association, precision rifle, rifle, rifle ball, rifle butt, rifle grenade, rifle range, rifle shot, snider rifle, sniper rifle, twenty-two, twenty-two pistol