Top definition
In gun collector terminology Black guns are: AKs, AR's, mac 10's, GSG's, etc. generally the "scary" assault/automatic guns normal people are afraid of.
"When my friend saw a black gun for the first time he wet his pants."

"The SWAT team uses black guns."
by SubJello September 30, 2011
Get the mug
Get a Black Gun mug for your Facebook friend Larisa.