Apparently, Whitestar's pouches can hold more than they appear too. The gun dusn;t have any deadly bullets I it thankfully, wouldn't want to draw that, but they should knock out the fake Greg.... or not.

When Redsaber sees the fake about to attack his wife, he callsher name and sweeps her off her feet just as a blast of magic whizzes by and knocks the fake off his feet!