There are a variety of synonyms for the phrase "guns down". One common synonym is "shoots down", which refers to using a firearm to hit and wound or kill a target. Another similar phrase is "fires upon", which implies a more aggressive or hostile intent. Other synonyms for "guns down" include "kills with a gun", "shoots dead", or "dispatches with a firearm". Ultimately, all of these phrases describe violence and death using a firearm and highlight the dangerous and destructive nature of gun violence. It is important to seek peaceful and nonviolent solutions to conflicts, rather than resorting to using guns or other weapons.