SBA3 Brace Legality

I have a 16" barrel and lower registered as other for a rifle build. Thinking of swapping out magpul stock for a SBA3 brace. This is purely for cosmetic purposes and not replacing with a shorter barrel. Is that legal?

Saw this on google: Can an AR pistol have a 16 inch barrel?

As long as it was built as a pistol, and has no stock, it is considered a pistol, regardless of barrel length. … You can take a AR built as a rifle, and add a brace, as long as it has a 16 inch or longer barrel, but you can’t add a sub 16 inch barrel, because it is still a rifle.

If the lower was transferred as a stripped lower, your ffl would have transferred it as “other” and you can do whatever you want with it in regards to barrel length. But there is no reason to use a brace on a 16" barrel. Just put a stock on it. Since the sba3 uses a standard buffer tube, if you do ever go with a shorter barrel swap the stock to a brace.

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its legal, just stay 16" or longer

if you want to use a brace, why not just build a pistol PSA has awesome deals going on now