I haven't found that one, but I have found others and they don't come cheap.
https://www.securityprousa.com/produ...ti-riot-shield
https://www.lesslethalproducts.com/N...un_Devices.php
http://www.spockosbrain.com/2020/09/...-memphis-cops/
The ones the Memphis police were geared with were paid for from funds given to them by the Trump administration.