I have a couple stickers on my car... A little like the 26.2 and 13.1 marathon stickers... mine say 5.56 and 7.62 in the white ovals...
And today I saw a great one... ".45 ACP turning human garbage into fertilizer since 1911!"
Oh... and another one I just remembered...
.45 ACP = Full Power, 9mm = Stun setting
I spend too much time in my car...
Today's gun bummer sticker, IF WE DIDN'T HAVE GUNS, WE WOULD STILL BE BRITISH...