Brand: ACETECH

Model: Quark R Bifrost Tracer Unit 

Material: CNC Aluminum Alloy + Electronic Module

Compatible with: Tokyo Marui M870, CYMA M870, and other 870-style Airsoft Shotguns 

Weight: Approx. 120–150g

Length: ~70mm 

System: Multi-color Bifrost tracer unit with flame simulation, designed specifically for 870 shotgun platforms