Plenty of fish in the sea.
https://darqindustries.com/collections/ready-to-ship-devices/products/ready-to-ship-photonis-high-gain-green-phosphor-pvs-14?variant=41749729345601
Whole bunch at Nighthawk:
https://nighthawkvision.com/collections/monocular
Tons of dealer choices:
Steele Industries, Apollo Gear Co, Licentia Arms, Custom Night Vision, Nighthawk Vision, Darq Industries (used to be Gooning Gear), Gear Central Supply, HighEndArms (supplies to GCS), NVision Optics, Ultimate Night Vision, Superior Tac
If they don't send you the specs of the unit and pics through the tube before purchase, they are a waste of time. And unless it's for some high end unit, there is absolutely no reason to backorder for months, even weeks. Tons of excellent priced units from great dealers available to ship within a week tops.