Brennan could have based his description due to the loud sound made by the discharge, i.e., high powered rifle. Brennan never said it was a 30.30 Winchester so that description could have come from Sawyer's interpretation of what Brennan said or from another witness who might have identified the rifle as a 30.30 Winchester. That's a repeating rifle and some witnesses thought they heard rapid shots.
That's a repeating rifle and some witnesses thought they heard rapid shots. Thank you for admitting that the Carcano was a slow operating rifle.... By comparing it to a Winchester 30.30 which you clearly believe is a rapid fire weapon....
And you're absolutely right....Many of the witnesses who heard the shots thought the that the weapon being fired was an AUTOMATIC ...because the shots were so closely spaced..... They most certainly were NOT describing a Mannlicher Carcano being fired.....