:o
CZ made some in the 500 series (now discontinued). I have no idea if there will be 600 series left handers but 600s are currently being recalled (oops)!
https://www.czub.cz/en/support-recall/
At the moment they only seem to make 22rf in left
Anschutz Mod 1730 (old history?)
https://www.guncity.com/22hornet-ans...ft-hand-377160
Kimber model 82 (long gone)
And (finally) Browning
https://www.cheaperthandirt.com/brow...ish/27741.html