37K views · 1.5K reactions | When loading the firearm on a M4 platform rifle always use the support hand to cycle the charging handle, never remove the shooting hand to charge it... | Snooky Cruz | Facebook

70K views · 636 reactions | A 27-year-old man wearing body armor and carrying an M4 assault rifle shot and killed four people, including an off-duty police officer working security in a Midtown Manhattan office building in a shooting rampage, officials said during a press conference Monday evening. A fifth victim was left critically injured in the shooting, officials said. The incident occurred just before 6:30 p.m. in a building located at 345 Park Ave. | ABC7NY | Facebook

85K views · 745 reactions | Ex-Special Forces Operation and Chief Instructor takes us through the M4 rifle!  Shooting Training Solutions Mark 'Nobby' Knowles uses his 33-years UK Special Forces and Royal Marines experience to deliver firearms training to civilians  | BFBS Radio | Facebook