Quote:
Originally Posted by sheepherder
...???...The site I found with 3"/50 stated it was for 50 cal MGs...This gun has a 3" bore... 
I was tempted to sit in one of the seats and see if I could traverse it, but I chickened out...  |
It's a 3"bore 50 calibers barrel length. My guess you've found the wrong site, try Wikipedia.
Edit. I just checked Wikipedia, the Gatos did indeed use them. Many other crafts too.