Reposted from
Queer Armorer
The KS23 is a Russian shotgun that would get categorized as a 6 gauge and was made out of 23mm antiaircraft gun barrels repurposed as a pump action monster, it is only available in Russia and to their allies.
Comments
"The KS-23 is a Soviet shotgun with a 23 mm caliber, which is roughly equivalent to a 4 gauge shotgun using European standards. In British and American standards, the KS-23 is a 6.278 gauge shotgun."
https://www.google.com/search?q=KS23+gauge
At least I double checked.
Thank goodness, you're were just talking to someone else about beeg anti-aircraft barrel gun. lol