Originally Posted by marxdspot
Please correct me if I am wrong, but I believe you have to have a complete pistol with a fix bobsled mag installed and absolutely no stock or stock receivable buffer tube upon the date of DROS.
I thought the problem with semi-auto uppers was they would not pass the drop test with a pistol buffer tube and so that is why they do them single shot. I didn't think it was about the capacity. But I have no idea. I am totally new to the AR pistol thing. I'm asking, not telling.