I think the Brace is what makes it worthwhile "system". I think CrazyDoc has some Scorpion time. I've got something else that fills that slot so I haven't checked out the Scorpion 9mm pistol. You can run a gunwatcher search without the brace if desired.
https://gunwatcher.com/cz-scorpion-evo-3-s1-pistol-with-brace-for-sale-in-stock/guns-best-price-link