Acetech got their official presentation of the Acetech Quark-K With Bifrost Mod, the tracer unit compatible with the Tokyo Marui KSG Gas Shotgun... "ACETECH, officially integrated with Tokyo Marui KSG, will be launching two series of tracers. One of their newest innovations, ACETECH Quark K is a tracer target for KSG Tokyo Marui shotgun, while the ACETECH Quark K version is an advanced tracer with features such as a colored flash beam, twelve 3535 UV LED, Gyro-motion sensor for quick kick-off the tactical light in a close battle, and integrated Bifrost effect allow airsoft player playing under the low light CQB tactical situation with 11 modes.

Mono-colored beam mode with 7 colors(Red/Orange/Yellow/Green/Blue/Pink/Purple), RGB mode, rainbow mode, dynamic rainbow mode, and demo mode.

The Quark K has rechargeable long-lasting 18650 battery power, and Type-C fast charging."