My Modern Guns 12th Edition shows the H&R 158 Topper was available from the factory chambered in...
.410, 20 gauge, .22 Hornet, 30-30, .357 Mag., 44 Mag.
Listed as being made from the early 60's to the mid 80's.
It also states that the magnum calibers were not added until 1982
Spanky