He was keeping control of the weapon in the video. I don't know about his sight alignment. I wouldn't be worried standing next to a sensible, (safe), shooter while he used this thing. Full auto/rapid fire is permitted at my local range, (Pearl River, LA). I predict problems with untrained and immature novelty seekers using this item. I also suspect that gang-bangers will snatch these up for a cheap and easy rapid fire conversion.