I grew up on this https://www.imdb.com/title/tt0051308/ and Star Trek TOS.
Many a shot was fired from imaginary guns and many brave boys lost their lives. But not quite because they'd always manage to fire off one last deadly parting shot.
Took a little doing to find the above, in Germany it was called 'Westlich von Santa Fé' and I thought it was called 'John McLean'. Must've been in the 70s, we didn't own a TV then.
Yeah, The Rifleman is a classic from the western nostalgia period.