Have been browsing and see that others have asked the same questions, like Mr. Zito from Louisiana. Very helpful. I’ll keep working on the tooling part.
Can you swing $15 or so? Brownells sells it pretty cheap esp since you won’t need a lot. https://www.brownells.com/gunsmith-tools-supplies/small-hardware/metal-stock/oil-hardening-drill-rod-round-prod588.aspx