Hello,
The trigger spring is NOT the bolt stop.
The bolt stop is on top of the trigger.
You should be able to rotate the trigger so that you can pull the bolt out. You may have to pull the trigger down some, too, but it's very possible.
Please don't Dremel etc. It'll come out just fine with a little work.
Here are some links that may give you a more clear understanding:
http://www.smith-sights.com/tips-and-how-tos.php
http://www.smith-sights.com/instructional-videos.php
There are several movies and articles.
If you have any further questions, please ask. I know these rifles and like to help.
Regards,
Josh