Quote Originally Posted by mr_will
Another question, If i register a lower as a SBR can i buy any short barrel upper i want for it after that. I.E. can i get a 10" 9mm upper if i want? As long as it only goes on that upper.
Yes you can. If you are thinking of doing this you might want to write all the various calibers you think you might use on the Form 1, I don't think it is required but not a bad CYA move either.