I have seen HS locally in Sportsman's Warehouse. I have not tried their 10mm. Don't know the velocity.
DaveT, what was the cost and are these plated or not?
So any of you guys with chronographs that want to chrono some loads... do it!
Post your results, like accuracy, reliability, etc. as well.

FWIW, I have some HS in 45 ACP. The FMJ bullets look plated, and are made with Speer brass. Have not shot them yet.