Kord 12,7

Country: RussiaManufacturer: Degtyarev Plant

«6P50 «Корд»»
Heavy machine gunRussia1998In service

Russian heavy machine gun in 12.7×108 mm developed by the Degtyarev plant as a replacement for the NSV, lighter and with an improved-cooling barrel for sustained fire from tripod or bipod.

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Heavy machine gun
ID — KORD-12-7
Designation

Kord 12,7

Degtyarev Plant
Caliber
12,7×108 mm

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Reliability
Unverified
Sources
Sources pending review
Sources and methodology

Identity

Designation
Kord 12,7
Alias
6P50 «Корд»
Manufacturer
Degtyarev Plant
Country
Russia
Year
1998
Category
Heavy machine gun
Status
In service

Ballistics

Caliber
12,7×108 mm
Muzzle velocity
860 m/s
Rate of fire
~750 rpm
Effective range
2000 m
Maximum range
2500 m

Dimensions

Barrel length
1070 mm
Overall length
1980 mm
Empty weight
25.5 kg

Mechanics

Operating system
Sottrazione di gas, otturatore rotante
Bolt / action
Long-stroke piston

Feed

System
Nastro a maglie non disintegrabili
Standard capacity
50 rounds

Fire modes

SafeAuto

Historical profile

Development and Industrial Origins

The genesis of the Kord dates back to the strategic need of the Russian Federation to become independent in heavy weapons production after 1991. Since the manufacturing facilities for the previous NSV machine gun were located in Kazakhstan, the Ministry of Defense tasked the designers at the Degtyarev plant in Kovrov with creating a new weapon platform that would overcome the precision limitations of the predecessor.

The development program focused on creating a multi-role weapon capable of utilizing existing 12.7x108 mm ammunition stocks while introducing cutting-edge metallurgical innovations. State trials were successfully concluded in the mid-1990s, leading to the official acceptance of the weapon system into the Russian Armed Forces in 1998 under the GRAU classification 6P50.

Technical Architecture and Design

The primary innovation of the Kord lies in its rotating bolt locking system and an extremely effective recoil reduction mechanism, which allows it to be operated even from a light bipod. The barrel, cold-hammer forged with a new high-strength alloy, was designed to ensure symmetrical thermal contraction, drastically reducing shot dispersion during long bursts compared to the NSV.

The metal belt feed system is reversible and the weapon can be equipped with various types of optics, including night sights and computerized aiming systems for anti-aircraft roles. The 6P50-1, 6P50-2, and 6P50-3 variants differ mainly in their mounting systems, ranging from the classic tripod to mounts for installation on armored vehicle hulls or fixed defensive positions.

Operational Service and Deployment

Since its introduction, the Kord has become the standard weapon for the close-in defense of the T-90 tank and the BTR-82A combat vehicle, as well as being installed on numerous Russian Navy patrol boats. In combat, the weapon has demonstrated superior lethality against protected infantry and troop carriers, being heavily used during the Second Chechen War and in recent conflicts in the Middle East and Eastern Europe.

Special forces units (Spetsnaz) particularly value the 6P50-1 version for its portability, which allows a two-man team to deploy heavy firepower in elevated positions or rugged terrain. In addition to Russia, the weapon has been exported to several countries in Asia and Africa, solidifying its reputation as one of the most reliable heavy machine guns currently in production.

Legacy and Modern Variants

The Kord has redefined the concept of the heavy machine gun, demonstrating that it is possible to combine the power of the 12.7 mm caliber with near-precision-rifle accuracy at distances up to 2000 meters. The weapon now serves as the basis for the development of increasingly sophisticated Remote Controlled Weapon Systems (RCWS), integrated into automated turrets for unmanned vehicles and Tigr series MRAP protected vehicles.

Recently, the Degtyarev plant has introduced updates focused on modularity and thermal signature reduction, ensuring that the 6P50 remains relevant in modern electronic warfare theaters. Its capability to penetrate light armor and down tactical drones keeps it at the heart of Russian defensive doctrine for decades to come.

Variants

6P50 (base)6P50-1 (bipiede 6T19)6P50-2 (treppiede 6T7)6P49 (versione coassiale per veicoli)

Main users

Russia · Belarus · Kazakhstan · Armenia · Syria

Key components

  • ●Stock — Shoulder rest.
  • ●Receiver — Weapon body with internal mechanisms.
  • ●Grip — Primary grip.
  • ●Magazine — Cartridge feed.
  • ●Barrel — Guides the projectile.

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