Machine Gun at Olive-Drab.com* Browning M2 .50 Caliber Machine Gun at Gary's Olive Drab Page* Browning M2 HB .50 Caliber Heavy Machine Gun, "Ambush in Mogadishu", "Frontline", PBS* Can you use the .50-caliber on human targets?, "Stars & Stripes"* Video of Operation on YouTube* U.S. Army FM 23-65 Browning Machine Gun Caliber .50 HB, M2* Browning .50 Cal.
* M2 .50 Caliber Machine Gun at Federation of American Scientists* Browning M2HB & M2HQCB (USA)* M2 .50 cal.