Well - here’s one site - looks like the MP6 is fairly new (and pretty much the same as the MP5?). Or - the reporter got MP5 mixed up with his I-Pod MP6 player?
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“The latest in the MP5 family, Heckler & Koch engineer Erma Shumer designed the MP6 for jobs such as ExecSec, where concealable firepower is needed, it also fills a requirement for SWAT teams requiring the same power of the MP5 family, yet with greater easier of maneuver.
The major step away from the Heckler & Koch tradition is the adoption of the helical clip. Able to carry thirty rounds of 9 x 19mm caseless, it offers the same staying power. However, designers noted that to use the common diopter rear sight and front sight, it would negate any improvement to concealability. So they chose to offset the sights to the side of the weapon, and aligning them 45º so a firer can aim the weapon without presenting a higher profile....”
That MP6 is a fictional weapon from the Shadowrun RPG.