Here are some photos I took:
Charging Handles appear to be identical in size (as I imagined):
Here is the side by side comparison: NDZ on left, factory on right:
As you can see, the factory latch hook is slightly taller.
This is the NDZ latch installed: You can see the hook sitting on top of the block instead of latching onto it.
Here is the factory latch: You can see how it goes beyond the block and locks when forward.