Metaphor for a maximum (4)

I believe the answer is:

hilt

(Other definitions for hilt that I've seen before include "Handle of a sword or dagger" , "Sword/dagger handle" , "One may back up to this" , "Handle of bladed weapon" .)

I've seen this clue in the Newsday.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.