Sig Brace a No Go per BATFE Open Letter

[PrevailFI]

Couldn't find info on this here at M4C. If already a thread - my apologies.

http://gunssavelives.net/gun-industry/breaking-11615-atf-issues-open-letter-declaring-the-shouldering-of-sig-brace-illegal/

Much unhappiness on my end. Any chance "re-design" and "intent" gives some wiggle-room?

[NoveskeFan]

15 page thread, combining the new "opinion" letter.
https://www.m4carbine.net/showthread.php?118998-New-Stabilizing-Brace-for-AR15-Pistol-quot-SB15-quot/page15