This Shadow or this Shadow?

Which Shadow is better and what the real difference?

I’ll pay more if it comes with upgrades that are worth doing.

https://www.budsgunshop.com/product\_info.php/products\_id/132650/cz+shadow+2+optic+ready+9mm+semi-auto+pistol

https://www.budsgunshop.com/product\_info.php/products\_id/169831/cz+shadow+2+or+9mm+orange+19rd

These are both “optic ready” I believe. Def want to put a red dot on it.

All opinions welcome.