Ma Deuce n.
(US) an M2 machine gun or Browning .50 caliber heavy machine gun .
|Vietnam Tracks: Armor in Battle 1945-75 96: [An] M2HB Browning atop the commander’s cupola, and a second Ma Deuce’ forward of the turret rack.|
|US Navy SEALs 142: The PBL mounts a ‘Ma Deuce’ M2.50cal .|
|Field & Stream Feb. 70: MEET MA DEUCE In 1919, John Moses Browning developed a heavy machine gun [...] designated the M2, it is very likely the most successful military weapon ever used by any armed force.|
|Boy from County Hell 26: He’d built his own rifle from a Ma Deuce, and the .50-caliber rounds cut through the jungle like heart-seeking missiles.|