No projectiles, just noise. 100% legal. You can basically just run a 209 primer or buy their flashbang shells.I’m not sure about Georgia, but in California this was written in the penal code as a criminal offense
12355
c) For purposes of this section, "boobytrap" means any concealed
or camouflaged device designed to cause great bodily injury when
triggered by an action of any unsuspecting person coming across the
device. Boobytraps may include, but are not limited to, guns,
ammunition, or explosive devices attached to trip wires or other
triggering mechanisms, sharpened stakes, and lines or wire with hooks
attached Is guilty of a felony punishable by imprisonment in the state
prison for two, three, or five years.

