Sellier & Bellot 4mm Randz rimfire

Came across this on SGammo’s website. Not sure if there is much market in the U.S. for these…

https://www.sgammo.com/product/4mm-randz-courte/200-round-box-4mm-randz-courte-rimfire-sellier-bellot-cartridges-sb4rc

4mm%20randz

Cartriges very mediocre quality, they had to trade.