I know this is a long shot but if anyone has even one mag, I'm willing to pay a reasonable price for it and will even trade the 2 20 round mags that came with the gun.
CZ posted on their FB page last week that they just released every one they had imported to distributors and dealers to fill back-orders. They said that they will have a metric ship ton of them hitting the US in a few weeks, which will be available on shop.czusa.com