Striker receiver- where to find one or one compatible

[Mrvmax]

I’d like to find another Striker receiver so I can piece together a second pistol. I already have two stocks, two bolts, magazine and misc parts. Since the Striker receivers are hard to find, are there others that can be used? Also, what other rifle barrel nuts are compatible with the Striker? Is there a reference list somewhere that shows parts interchangeable or “modifiable” for the Striker?

[Robinhood]

Left hand models 10, 11, 12, 14 and 16 with the correct action screw spacing. ATF has some rules but some say they do not enforce them.

[Mrvmax]

Left hand models 10, 11, 12, 14 and 16 with the correct action screw spacing. ATF has some rules but some say they do not enforce them.
I forgot about that, here is that ruling. Thanks for the info.
https://www.atf.gov/firearms/docs/ruling/2011-4-pistols-configured-rifles-rifles-configured-pistols/download