heeze, the Marlin 336-A of today isn't the same as the 336-A of years ago, which were made in 30-30, .35 Rem, and .32 special (maybe others). Obviously, this seller has an older one.

"Go to auctionarms.com and tell me whatcha see."
http://www.auctionarms.com/search/displayitem.cfm?ItemNum=6922119