That's a little cheaper than the new Sig FMJ. This is all new Starline brass and far exceeds the performance of anything except the top three hottest offerings. It's loaded with #9 which is regarded as a safe case fill.
PARABELLUM RESEARCH PREMIUM LINE 180 PREMIUM FMJ 1,177 1,283 1,343 658 721 AA#9 13.6
https://www.pbrammo.com/premium-line-10mm-180gr-fmj