I've got one and a half. One true UDS and one Pit Barrel which I count as a half of a UDS.
For $20 each, scoop up has many as you can. Worst case scenario you spend $50-$100 turning them into a UDS and then flip them on CL for $150 or $200. Or just use a couple for burn barrels..
18" OTS, 22" OTG, SJ Silver, Cimarron Offset, Coleman Bullet, PBC, UDS, QMaster ATC