"Myers also speculated, as stated in the report, that two to four live rounds were fired into the air from his gun during the event’s parade earlier in the day, before the Marauders performed."

Umm... I don't own snap caps or blanks for this reason... HOWEVER. I think that there is a SIGNIFICANT difference between the recoil of a blank and the recoil of some "Hornady .45s" as he called em. So he just kept shooting with a cylinder of real bullets.