Acetech Quark-R Tracer Unit For M870 Shotgun

A tracer unit designed for M870 and other shotguns which can illuminate all three BBs flying out of the barrel. Features: Brand new tracer unit design for airsoft shotguns. Multi-colour flame (Bifrost) effect. Support green tracer BBs, red tracer BBs, and standard BBs. Highly durable aluminium alloy construction.