When people point out that the U.S. has a higher violent crime rate than European countries, you point out that the violent crime rate among Scandinavian-Americans is comparable to the violent crime rate in Scandinavian countries.
Let them figure it out from there.
Pull out Chicago, New York City, etc from statics and the US.has.one of the lowest firearms deathbrates on earth. As ll those cities have essentially unarmed populaces victimized by gang bangers and illegal invaders.