Transform the Halloween Haunt experience with the Valken GB Surge Tracer Unit Adapter! This simple replacement muzzle adapter for the Gel Blaster Surge enables a Valken Kilo Tracer unit to be quickly and easily threaded. Once threaded on, a fully charged tracer unit will activate fired Valken GB GLOW HD ammo, creating brightly glowing tracers! The ultimate accessory for Halloween Haunts, Zombie shoots, nighttime target shoots or indoor blaster battlefields, the Valken GB Surge Tracer Unit Adapter is the ultimate blaster accessory!