Wal-Mart on Pendelton Pike in Lawrence did have about 200 boxes of 38cal. cowboy action loads. Havent looked for awhile, but might be worth checking into???
you may try bob krovoza at b.k.bullet casting---240e-40n-r.r.1,box315--peru,in 46970--he has been doing this since 1964 and will do you a wonderful job. 765-473-7801--765-473-6197--cell 473-2881.he will do a few boxs or a truck load.him and his son dave are just hard to beat.good luck on your quest.