[nevergore]

The sound from the video definitely indicates a rate of fire from a fully automatic rifle...... whether initially designed or modified, the end result in this case would be similar.....

[circlecity]

"The sound from the video definitely indicates a rate of fire from a fully automatic rifle...... whether initially designed or modified, the end result in this case would be similar....."

And at least the first burst I heard in the video I watched was much more than 30 rounds, closer to 100. So, he was using high capacity drum mags or it was a belt fed rifle.