There are plenty of versions, one being replaced by another. With full auto were talking about 20 of those magazines of 556 (30 each) per minute depending on the aptness of the user and the endurance of the target.
I’ve only heard the highest praise and humble appreciation from pilgrims right around the world. Not even the slightest hint of a critique such as “That’s overkill.” This includes people from gun confiscation countries. All are happy with the presence of guns at places of worship. And don’t think they’re not inside. And don’t think our Lord is against defense of the innocent.