

This is an easier route and I think most people will add a brace and not a stock due to the headache that comes with the process. Unfortunately, I’m not allowed to own SBRs in my state so I cannot add a stock but there are a lot of Pistol Braces that are totally legal for me to use and that’s what I ended up doing.

So technically this would become an SBR (short barrel rifle) if I added a stock.

The Sig MPX is very unique being a short-stroke push-rod gas system. Complete List of Items Mentioned What is a sig MPX?
