Acetech Quark - R Bifrost Tracer Unit for M870 Shotguns HPA HOP UNIT Built with a steel lower

Built with a steel lower and an interchangeable aluminium upper

this frame offers exceptional strength while keeping your build responsive and balanced

Works with genuine PDI barrels (tight fit

Purpose-Built Tracer Integration

Suitable for high-powered airsoft weapons

Acetech Quark - R Bifrost Tracer Unit for M870 Shotguns HPA HOP UNIT Built with a steel lowerFor the longest time, tracers were only available to players running normal rifles, pistols, SMG's. Those few who want to use shotguns never got the opportunity to have access to tracers, until now! Acetech have released a ground breaking tracer unit called the Quark R, specifically designed for use on M870 airsoft shotguns. This tracer is a multi function module, featuring a tracer and muzzle flash simulator. BB Support: Standard BB's Green Tracer