I'd assume that bullets can travel a helluva lot faster than magic explosion stuff, and at a much quicker rate to.
A standard SWAT team would probably have been able to do the job more efficiently than Harry and his friends
English
#Offtopic
-
I was wondering that myself. I mean, let's say Voldemort blast's Potter's wand out of his hand. And then Potter pulls out his .45 and blows Voldy away. Like a [i]boss[/i].