TikTok Genocide
"The weapon appears to be a MK 47 (or Mk 19?) automatic grenade launcher https://en.wikipedia.org/wiki/Mk_47_Striker https://www.dvidshub.net/image/5709166/exercise-eager-lion-2019-joint-forces-live-fire-range I've counted 13 shots in the video. 2 other firearms are visible in the background." - Source
The details for each video come from social media. None of it has been verified.