Kord
Inasmuchas since from the early 1990s the main manufacturer of the NSV-12.7 machine guns was left in the «sovereign» Kazakhstan, a team of designers, including A.A. Namitulin, N.M. Obidin, Yu.M. Bogdanov and V.I. Zhirochin had performed work at Central Design Bureau (SKB) of the Kovrov Plant named after V.A. Degtayrev under the code name «KORD- (”large caliber weapon of Degtyarev followers) intended to modernize the NSV machine gun to launch it in the new production process.
The rapidly replaced barrel was made in con¬formity with the so-called ZID (Degtayrev Plant) method of production ensuring the gradual heating and insignificant thermal warpages. The new barrel with the flash suppressor-compernsator and a somewhat updated locking system by the wedge bolt enhanced accuracy by a factor of 1.5-2 from the same mount as compared with the NSV machine gun while retaining the weight of the «KORD» machine gun «body° within 25.5 kg. Some reduction in the rate of fire was compensated by ease of the weapon operation.
The firing mechanism features a safety lever to exclude a discharge in the event of accidental trig¬ger squeeze. The cartridge-belt is fed either from the right or from the left side. The open iron curve-slide sight intended for firing at a range of 2,000 meters serves as the main sight while other sights like optical, night, and collimating ones are optional.
The «KORD» (6P50) is being manufactured since 1998, it underwent the combat tests and was adopted for service in 2001. The «KORD» (6P50) variant on the 6T19 bipods has overall weight of 32 kg, the 6P50-2 variant on the universal mount 6U16 (employed against ground and air targets) weighs 52 kg, the 6P50-3 variant on the universal pedestal weighs 75 kg. The pintle mount for a cartridge box, cartrige belt and cartridge case bag may be maby installed on transport vehicles and small vessels. Tank «KORD» 6P49 of 1,625 mm long and 27 kg weight (mounted on Т-90 МВТ tank). Actually, the first large caliber general-purpose machine gun came into being.
There is an «export» variant of the «KORD-chambered for the American cartridge .50 “brown¬ing. (12.7×99).
Specifications
Caliber………………………..12.7nm
Cartridge ………………….12.7×107 DStiK
Weight of machine gun 6P50:
w/o ammunition load ………………25.5 kg
w/cartridge-belt on mount 6T7…………41.5 kg
Machine gun length………………. 1.580 mm
Bullet muzzle velocity…………..820-860 m/sec
Sighting range
at ground targets ……………….. 2.000 m
Slant tire range
against air targets……………….. 1,500 m
Fate of fire……………….. 600-750 rds/min
Cartridge-belt capacity ……………….50rds
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