MSR Pistol Designation In Doubt?

[Double Naught Spy]

Regardless of what you think of the government, it would appear that Q went into production assuming their proprietary brace would not be seen as a thinly disguised shoulder stock and didn't bother running it by that ATF first (paraphrasing a friend of mine). Business-wise, that was a poor move. They essentially gambled that it would all be good and lost and lost for their customers who purchased them.