The original name of Ka bar knife is union razor Co, which is called Ka bar. It comes from a letter of recommendation from a hunter. The hunter met a bear on the way of hunting. When the bullets ran out, he had to pick up his high-quality hunting knife made by union razor Co. to fight with the bear, so he saved his life.

In his letter, he wrote that this knife can kill a bear, but because the hunter's education level is not high, he wrote it as kil a bar, which was later abbreviated as Ka bar. Therefore, the name Ka bar is praised by everyone, even more famous than Union.

Source: @simstattoo