RPK

RPK
Alizald khomeini · CC BY-SA 3.0 · source
Name	RPK
Caption	A Soviet-era RPK light machine gun.
Type	Light machine gun
Origin	Soviet Union
Designer	Mikhail Kalashnikov
Design date	1961
Service	1961–present
Used by	See #Users
Wars	Vietnam War, Soviet–Afghan War, Gulf War, War in Afghanistan (2001–2021), Russo-Ukrainian War
Manufacturer	Izhmash (now Kalashnikov Concern), Zastava Arms, Fabryka Broni Łucznik Radom, others
Number	Millions
Weight	4.8 kg (10.6 lb) empty
Length	1,040 mm (41 in)
Part length	590 mm (23.2 in)
Cartridge	7.62×39mm
Action	Gas-operated, rotating bolt
Rate	600–650 rounds/min
Velocity	745 m/s (2,444 ft/s)
Range	800 m effective
Feed	40-round detachable box magazine, 75-round drum magazine
Sights	Iron sights, optional optical sight mount

RPK. The RPK is a Soviet-designed light machine gun that entered service with the Red Army in 1961. Created by renowned small arms designer Mikhail Kalashnikov, it was developed alongside the AKM assault rifle to provide a standardized, squad-level automatic weapon for the Soviet Armed Forces. The RPK's design philosophy emphasized reliability, ease of manufacture, and commonality with the ubiquitous AK-47, ensuring its widespread adoption and long service life across the globe.

Overview

The RPK was developed as the successor to the RPD machine gun within the Soviet Army, intended to enhance logistical simplicity by sharing ammunition and many components with the AK-47 and later the AKM. Its adoption formalized the concept of a unified small arms family within the Warsaw Pact, influencing the small arms doctrines of numerous allied nations. The weapon was officially standardized in 1961 and quickly became a cornerstone of motorized rifle squads, providing sustained firepower from a bipod-mounted platform. Its introduction coincided with a broader modernization of the Soviet Ground Forces during the Cold War.

Design and features

The RPK operates on a gas-operated, rotating bolt system directly derived from the AK-47, ensuring exceptional reliability in harsh conditions. Key distinguishing features include a longer, heavier barrel with no quick-change capability, a reinforced receiver, and a fixed stock made from wood or later polymer. It is typically fed from a 40-round detachable box magazine or a 75-round drum magazine, and is equipped with a folding bipod attached near the muzzle. The sights are graduated to 1,000 meters, and the weapon can mount a night vision device or an optical sight via a side rail. Compared to the AKM, its components are built to withstand the higher sustained temperatures of automatic fire.

Variants

The primary Soviet variants include the standard RPK and the RPKS, which features a side-folding stock for airborne troops. The modernized RPK-74, chambered in 5.45×39mm, was introduced in 1974 alongside the AK-74. Significant licensed production copies were made internationally, such as the Zastava M72 from Yugoslavia, the Type 81 from the People's Liberation Army, and the FB Beryl-series from Poland. Commercial and semi-automatic versions, like the Vepr shotgun series adapted from the RPK receiver, have been produced by the Kalashnikov Concern for the civilian market. Modern iterations include the RPK-16, which features a modular design and a quick-change barrel.

Operational history

The RPK saw extensive combat use during the Vietnam War, where it was supplied to the Viet Cong and the People's Army of Vietnam. It was a standard weapon throughout the Soviet–Afghan War for both Soviet forces and the Mujahideen. Its proliferation continued in conflicts across Africa, the Middle East, and Southeast Asia, including the Gulf War and the Yugoslav Wars. In the 21st century, it has been used by all sides in the War in Afghanistan (2001–2021), the Iraq War, the Syrian Civil War, and the ongoing Russo-Ukrainian War. Its durability and simplicity have made it a persistent weapon of choice for both regular armies and irregular forces worldwide.

Users

The RPK has been a standard issue weapon for the armed forces of over 50 countries. Major former and current users include Russia, Ukraine, Belarus, the members of the Warsaw Pact like East Germany and Poland, and Soviet-aligned states such as Cuba, North Korea, and Vietnam. It was widely exported to Middle Eastern nations like Egypt, Iraq, and Syria, and across Africa to countries including Angola, Mozambique, and Ethiopia. Licensed production was established in Romania, Bulgaria, and Serbia. Non-state actors, including Hezbollah and various militia groups, have also extensively employed the weapon.

Category:Light machine guns Category:Soviet infantry weapons Category:Cold War infantry weapons