South Africa-based Desert Wolf told the BBC it had secured the sale of 25 units to a mining company after showing off the tech at a trade show.
It is marketing the device as a “riot control copter” that can tackle crowds “without endangering the lives of security staff”.
But the International Trade Union Confederation is horrified by the idea…
In addition to pepper-spray ammunition, the firm says it can also be armed with dye-marker balls and solid plastic balls.
That sounds a bit disturbing.