I would like to know if anyone knows where you can purchase half oval bar stock. 5/8" to 1".

Thank you for any information

Make it, really varly simple to do. Not sure you can purchase it.

dont know about half oval but half round is readily available

Horse shoe barn in Sacramento Cal has both

I bought about 1/3 of a ton of mixed sizes and profiles from Skagit River Steel in Burlington , Wa. [1 800 869 7097]my nearest steel supplier. They got it from Ryerson Tull. It was a bit spendy but nice stuff, particularly in 20' stock
It's an easy profile to make, particularly in shorter pieces;grind ,forge,or machine the desired profile in a block of steel, ease all edges , mount on a 50- 100# plus hammer , heat appropriate size stock to fill the void and hit with flat top die or tool, repeat .... keep scale out of the die cavity for a clean finish, straighten stock and trim flash ,reject mistakes and make extra while you are at it.