Wainwright Alberta, Canada 2008 *** BROWNING .50 CAL HEAVY MACHINE GUN The 50 cal heavy machine gun is used by the infantry in a dismounted role to provide supporting fire for combat operations. The weapon can also be mounted on vehicles such as the M113A3. Canadian Forces Heavy Machine-Guns [NB: The CF regards the M2 as a Crew-Served Weapon rather than a Small Arm] 12.7mm M2HB QCB The Browning 50-cal is the CFs heavy machinegun. It is used on ground mounts, vehicles and onboard ships. CF designation: Machine-Gun, Heavy, Flexible, .50-calibre, M2HB, QCB, Calibre: 12.7 ×99mm (.50" BMG), Origins: Fabrique Nationale AS (under licence to Colt-Browning) Armament: Cartridge: 0.50 Browning (12.7 x 99mm) Rate of Fire: cyclic, 450-500 rounds per minute Specifications: Weight: 58 kg Length: 1.65 m Barrel length: 1.14 m Operation: short recoil, belt fed, air cooled Feed: disintegrating link belt, M2 or M9 links