The local steel supply shop.
That is a piece of 10 gage 316L that I polished, cut & welded into a T & then to the rail, sure takes the scary part of 3 ea. 5/16 bolts/studs holding the rail on from the factory. :wink: :thup
(thanks for posting the pict. 2 or 3 browser changes have me baffled on...