just a small question.......

[Beat X500]

Legit means you don't use/own hacked/duped weapons.

Dupe weapons are glitches in the code that people abuse or some other method to make duplicates of an item. If you use these items, you are a duper.
If you think cheating or "backing up" is wrong, and don't use them, you are legit.

Read young newcomer.