I had a supervisor that was as into guns as I. Needless to say, we were friends as well as coworkers. He generally didn't need to direct me much as he considered me a "self-starter." I had a superintendant that I was fairly close to as well. I respected him enough that if made a mistake, I was worried more about disappointing him, rather than any punitive actions by the company. Both of these gentlemen were the rare specimen that people hope for as managers, and I still keep in touch with them even though I am retired.
Friends can be managers and managers can be friends. It's important, though, that everyone have the same work ethic.
Join the NRA/ILA
I am the weapon; my gun is a tool. It's regrettable that with some people those descriptors are reversed.