Here is a link to one at PSA. (Sold out)
https://palmettostatearmory.com/bushmaster-xm-10-standard-308-win-7-62-ar-10-rifle-90702.html
It appears to be a later model Bushmaster. It is likely DPMS compatible, if not made on the same line.
That's a great start. . Have you decided on a barrel yet? I would suggest a 16" at most. With the Minimalist stock, you may be forward heavy and out of balance if you go much longer.