Acetech Quark - R Bifrost Tracer Unit for M870 Shotguns HPA HOP UNIT These can get you 10-20+

These can get you 10-20+ FPS increase as well other performance boosts

Purpose-Built Tracer Integration

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

Ensures reliable BB feeding and gas transfer

Black Slide Catch

Acetech Quark - R Bifrost Tracer Unit for M870 Shotguns HPA HOP UNIT These can get you 10-20+For 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