That's exactly what I thought when I watched and heard the shooting. It definitely wasn't 5.56. The sound signature said .30 cal (7.62) to me. So the M240 would be the most likely and easily 7.62 belt fed obtained here in America.

https://www.youtube.com/watch?v=oggQoNgXcqI (2 mins)

That's exactly what I thought when I watched and heard the shooting. It definitely wasn't 5.56. The sound signature said .30 cal (7.62) to me. So the M240 would be the most likely and easily 7.62 belt fed obtained here in America.