The Kord-12.7 mm heavy machine gun is a Russian design that entered service in 1998 replacing the older NSV machine gun. Externally the weapon resembles the NSV; however, the internal mechanism has been extensively reworked, changing from a horizontally pivoting breech block to a rotating bolt design.
The Kord-12.7 mm heavy machine gun is a Russian-made firearm that entered service in 1998, replacing the older NSV machine gun. Although it shares an external appearance with the NSV, its internal workings have been significantly modified, transitioning from a pivoting breech block to a rotating bolt mechanism.