New Duplex Ammunition from Russia's Tekhkrim: 7.62x54 Innovation

Tekhkrim, the Russian firearms and ammunition manufacturer, has recently launched serial production of innovative duplex 7.62x54 cartridges. This ammunition concept, while not entirely new in military history, represents a modern adaptation to address contemporary battlefield needs. The new rounds appear particularly well-suited for engaging fast-moving aerial targets at ranges up to 350 meters, suggesting a focus on counter-drone capabilities without explicitly marketing them as such.

Technical Specifications

The newly developed cartridges feature two projectiles in a single round, both housed in a bimetallic jacket with mild steel cores. The cartridge case itself is constructed of steel with copper plating. The specifications include:

• First projectile weight: 123 grains (8 grams)
• Second projectile weight: 107 grains (7 grams)
• Muzzle velocity: 2132 fps (650 m/s)

Accuracy measurements show a progressive dispersion pattern:

• At 100 meters: 2.3-9.8 inches (60/250mm)
• At 200 meters: 11-16.5 inches (280/420mm)
• At 300 meters: 13.7-21.6 inches (350/550mm)

Tactical Applications

These rounds are compatible with any small arms chambered for the 7.62x54 caliber, increasing projectile density in the target area. While the dual-projectile design results in reduced terminal ballistics compared to standard ammunition due to lighter projectiles and lower velocities, it substantially improves hit probability—a critical factor when engaging small, agile targets.

Russian forces have several platforms capable of deploying this ammunition effectively for counter-unmanned Aircraft Systems (C-UAS) operations, including:

• The PKT machine gun (firing rate up to 800 rounds per minute)
• The newer GShG-7.62 minigun (capable of an impressive 6,000 rounds per minute)
• Standard infantry PKM/PKP general-purpose machine guns

For optimal performance with infantry weapons, adjusting the gas regulator to position three can increase fire rate, overall volume of fire, and consequently improve the probability of successful target engagement.