This rifle is discontinued but there is one available for sale here
armslist.com/posts/12782271/murfreesboro-tennessee-rifles-for-sale---marlin-1894-csbl--357-mag--38-spl-stainless
They will ship to an FFL (Details in item description)
Few more here
armslist.com/classifieds/search?location=usa&category=all&page=1&search=+Marlin+lever+action+357&posttype=7

Bryant, unfortunately it is not Sir. I would check on large gun and accessory sites like (6)un (8)roker, Armslist and Guns America as discontinued and hard to find firearms and accessories show up for sale by private individuals and small shops. Just replace (6) & (8) with G & B.