More generally, a gun can be used to disable Harry in all sorts of not-necessarily-fatal ways, something Voldemort cannot do using magic.
With that said, Voldemort is also surrounded by the bodies of Harry's unconscious friends, so it's not like he urgently needs extra leverage.
More generally, a gun can be used to disable Harry in all sorts of not-necessarily-fatal ways,
And that's apparently his intent, since it's "pointed at Harry's wand arm". He's not threatening to kill Harry, but only preventing him from using his wand to do anything.
New chapter!
This is a new thread to discuss Eliezer Yudkowsky’s Harry Potter and the Methods of Rationality and anything related to it. This thread is intended for discussing chapter 104.
There is a site dedicated to the story at hpmor.com, which is now the place to go to find the authors notes and all sorts of other goodies. AdeleneDawner has kept an archive of Author’s Notes. (This goes up to the notes for chapter 76, and is now not updating. The authors notes from chapter 77 onwards are on hpmor.com.)
Spoiler Warning: this thread is full of spoilers. With few exceptions, spoilers for MOR and canon are fair game to post, without warning or rot13. More specifically: