I was in from birth to my early 30s. I lived in 4 states during that time. I knew Witnesses in all of those places that owned rifles and shotguns. They justified it to the congregation as hunting tools.
I owned a few pistols. I took them to the range.
Carrying any weapon for the purpose of self defense was frowned upon and would result in a loss of any privileges.
This is all due to a mistranslated scripture.