The Airsoftjunkiez Custom Expert: SD6 is available now at their online store. This custom airsoft replica is built upon the Elite Force HK MP5 SD6 and features a PolarStar F2 engine, a PDI 300mm inner barrel, and a flat hop for improved accuracy. It also includes a metal suppressor, an MP5 extended claw mount, a PEQ box with a green laser and IR, and a red dot sight with a riser.