It's not a "SHOULDER BRACE". NOWHERE is it called a "SHOULDER BRACE".
End of Message. Period. FULL STOP.
John
Also, if you tried to score a firearm without a brace it will always score 0, or would already be an AOW under existing criteria (such as by having a vertical foregrip)FACTORING CRITERIA FOR RIFLED BARREL WEAPONS WITH
ACCESSORIES* commonly referred to as “STABILIZING BRACES”