Will sell to US citizens expensive compare to other commercial HOTASs Replicas (an exact copy or model of something,) with you living in the states. Iff your handy I would suggest getting an A-10A throttle form https://www.flighthelmet.com/ getting a control board from Gadroc
https://forums.eagle.ru/showpost.php?p=2992649&postcount=336
I am not sure if the right grip is available.
https://forums.eagle.ru/showpost.php?p=2994828&postcount=119
As for a grip and stick well a THWH stick may be an option for a fraction of the cost. depending on your budget and if you want a replica floor mount.