AceTech Quark R RGB Shotgun Tracer gun pull the trigger while simultaneously

pull the trigger while simultaneously holding button on the unit

Integrated Picatinny mounting system

then continually pull to bottom change to AUTO mode

Always horizontal and straight BBs' flight trajectory

AceTech Quark R RGB Shotgun Tracer gun pull the trigger while simultaneouslyRainbows Baby! Sweet Baby Jesus! The ACETECH Bifrost slammed into a shotgun unit!? Simulates muzzle flash with multi colored flame effects. The effect of flame depends on the volume of gas or fog around the muzzle, more volume makes for better effects. Durable aluminum alloy construction Brand new tracer unit design for airsoft shotguns Multi color flame (Bifrost) effect Supports green and red tracer BBs as well as standard BBs! Rechargeable built in