Originally Posted by WStrayer
336A can be had in 30-30, 32 WS, and 35 Rem. Early guns didn't have receiver drilled and tapped for scope mounts.
I believe the 32 spl. and .35 Rem were only available in the first issue of the 336A {1949-1962} and second issue 336A's {1973-1980} only came in .30-30.