Highly accurate, incredibly reliable, butter smooth light trigger pull, extended tang to avoid the "slide rash" that Walther PPK's are notorious for, a breeze to disassemble and clean and very reasonably priced. Coupled with the right ammunition: highly accurate and "effective".
hickok45 did an outstanding review of the Bersa 380CC:
https://m.youtube.com/watch?v=-_RWl6L0BnU
“380 powerhouse” LOL