The first part also provides a context for understanding the second part. For example the right to "bear" arms shouldn't be read as including a general right t

The first part also provides a context for understanding the second part. For example the right to "bear" arms shouldn't be read as including a general right to brandish arms, even though a less constrained reading of "bear" might suggest that. Conversely, it does include a right to fire those arms, since that is necessary for a well regulated militia to bear them effectively.