Americans are so into their christianity because like their language, which they also get rather wound up about, is because it is adopted.
Jesus teachings are diametrically opposed to gun ownership.
This means your constitution in this one point at least, is directly against your gods teachings.
Wearing mixed cloth, eating pork, not doing exactly what the head of the sect orders, even involving murder or death of family. All there in the bible, and all ignored by people who whine on constantly about religion.