Enhanced Control & Accuracy: The “LS” version (Long‑Slide) gives a longer slide and barrel than the standard MC9. This helps with sight radius (making aiming more precise) and managing recoil.

Ergonomics: Improved beavertail, interchangeable backstraps to tailor the grip, and a slim width make it more comfortable to handle and carry. Ambidextrous / User‑Friendly Features: Loaded chamber indicator, striker status indicator, side‑changeable magazine catch, ambidextrous slide stop lever, Picatinny rail under the barrel for accessories.

Carry / Size Trade‑off: It’s larger and heavier than a very compact concealed‑carry pistol, because of the extended slide and barrel. It gives more control but is less “hidden” than smaller micro‑compact guns.

The longer slide and barrel of the LS version increase weight and overall dimensions, making concealment more of a challenge compared to smaller handguns.

As with many polymer‑frame, high‑capacity pistols, there may be trade‑offs in terms of holster compatibility, printing (outline showing through clothing), etc.

Need to ensure the optics you want are compatible; while the pistol is optics‑ready, different micro‑optic footprints might fit differently.