M99B / M06

Caliber(s): 12,7x108 (M99B-I and M06) or 12,7x99 / .50BMG (M99B-II)
Operation: gas operated semi-automatic
Barrel: mm
Weight: ~12 kg (unloaded, less telescope sight)
Length: 1250 mm (M99B) or 1360 mm (M06)
Feed Mechanism: 5-round detachable drum magazine