Get you a mini mill and make it yourself. You got baller money and a sugar momma so you can afford it.

https://www.grizzly.com/products/Gri...-Machine/G8689

And add the DRO
https://www.grizzly.com/products/Gri...ni-Mill/T10895


Buy some 1.5" diameter aluminum pipe to practice on. Then when you do the whole rail, get it cerakote'd...