A full auto with a magazine capacity of 15-17 rounds will not be a formidable weapon for long. That thing wouldn't even make a decent club once it is empty. No doubt, someone will find it handy in a Jiffy Jon or similar tight place but they better have a Plan B to fall back on, if the FMG is Plan A.

The greatest feature that it has is concealability in plain sight. It could indeed pass as a electronic gadget or a large Tampon case. It will not pass through scanners though, so nobody is going to sneak it onto an airplane or into a courtroom. By the time a person unfolds that thing and readys it for use a person carrying a handgun in a holster could draw and fire on them. The Beretta 93R or Glock 18 would be a far better firearm to have if your life depended on a small, fully auto capable weapon.

Custom holster maker Ken Null of Resaca, GA claims his holsters are "Unseen...in the best places". He helped pioneer concealment leather. The FMG9 falls into the same category.