Definitions by Booja Baggins

M2 

AKA the Browning M2HB "Ma Duece" 50 Cal. heavy machine gun. As with many of Browning's weapons, it is still the standard heavy mounted machine gun today.
Caliber: 50(12.7mm)
Use: Anti-air, anti-light tank, anti-infantry

(M2 picture)

M2 by Booja Baggins December 15, 2003