six-gun

I've lived all my life with iron on the hip, and my six-gun has seven notches.

Lad, even a kid like you could be a killer with that six-gun.

She had laid aside her six-gun, but she had not abandoned it.

As the daylight increased, there was little doubt of her character, and she was pronounced to be a thirty-six-gun frigate.

With no room even for six-gun work he turned his revolver into a club.