Tiger's automatic guns suffered stoppages

What problems affected the automatic six-inch guns, and how long could their magazines sustain maximum fire?

Barrel and chamber problems caused frequent stoppages; nominal endurance was about fifteen minutes for six-inch and ten for three-inch fire, subject to uncertain ammunition figures.

Barrel wear and chamber faults made sustained firing difficult. Nominal magazine endurance was roughly fifteen minutes for the six-inch battery and ten for the three-inch battery at maximum rate. Design, practical, and officially stated ammunition loads differed, so those endurance figures remain approximate. In service, three uninterrupted minutes without a stoppage could count as a notably successful run, revealing the gap between theoretical and usable firepower.