You may think it's a cut and dry answer, but there is much more to the answer than just yes or no. See how it might be illegal to use pepper spray in Montana.
For people who are new to the Bozeman area, you've no doubt noticed the not always pleasant welcome from old school residents. You have to understand the wild growth and associated problems that have accompanied said growth. Bozeman locals can be a little salty, especially when behind the safety of a keyboard.