DP machine gun

DP machine gun
Attribution · source
Name	DP machine gun
Origin	Soviet Union
Type	light machine gun
Service	1928–present
Designer	Degtyaryov brothers
Design date	1927–1928
Manufacturer	Tula Arsenal, Izhevsk Mechanical Plant, Arsenal Co.
Production date	1928–1950s (large-scale)
Number	millions
Weight	8.6 kg (unloaded)
Length	1,270 mm
Cartridge	7.62×54mmR
Action	gas-operated, long-stroke piston
Rate	~550 rounds/min
Feed	47-round pan magazine
Sights	iron sights, mounting for optics

DP machine gun

The DP machine gun entered service as a Soviet light machine gun developed in the late 1920s and fielded widely by the Red Army during the Second World War. Designed to provide squad-level automatic fire with the 7.62×54mmR cartridge, it became associated with interwar and wartime formations such as the Soviet infantry and armored units in campaigns including the Battle of Khalkhin Gol and the Winter War. The weapon influenced postwar automatic rifles and machine guns produced by arsenals like Tula Arsenal and Izhevsk Mechanical Plant and saw combat in conflicts from the Korean War to the Vietnam War.

Development and Design

The DP originated from trials overseen by designers at Tula Arsenal and testing by officers stationed with the Red Army and the Workers' and Peasants' Red Navy. The project was led by designers related to the Degtyaryov family and by engineers experienced with earlier designs such as the Maxim gun and the Fedorov Avtomat cartridge-fed systems. Influences included observations of small arms used in the Russian Civil War and lessons taken from foreign examples encountered during diplomatic exchanges with delegations from the Weimar Republic and observers connected to the British Army and the French Army. Working prototypes were evaluated at firing ranges near Moscow and presented to procurement authorities within the Red Army for service trials during maneuvers at sites tied to the North Caucasus Military District.

Design priorities emphasized reliability, simplified production for factories like Izhevsk Mechanical Plant, and compatibility with the 7.62×54mmR ammunition stockpiled since the Imperial Russian Army era. The weapon used a gas-operated, long-stroke piston system with a rotating bolt, a mechanism sharing conceptual lineage with systems seen at Tula Arsenal workshops. Ergonomic features reflected input from NCOs and platoon leaders participating in trials associated with formations previously engaged at the Battle of Warsaw (1920) aftermath and interwar border clashes.

Technical Specifications

The DP employed a 7.62×54mmR chamber and fired from an open bolt; its gas port and long-stroke piston drove a rotating bolt similar to contemporaneous designs fielded by the Wehrmacht and inspected by Soviet observers in the Interwar period. Weight, length, and rate of fire were optimized for infantry maneuver doctrines refined after studies of engagements like the Polish–Soviet War and peacetime exercises conducted by the Red Army. The distinctive 47-round pan magazine was a compact feeding solution influenced by earlier magazine experiments used by units deployed to the Far East and lessons from trials involving captured weapons from the Imperial German Army.

Sights were adjustable for ranges similar to those calibrated during training at Frunze Military Academy facilities, and the receiver and barrel were heat-treated per metallurgical standards set in collaboration with institutes in Leningrad and metallurgists formerly associated with the Imperial Russian Arsenal. Accessories and tripods used with the gun were standardized across depots managed by logistics staff trained at centers linked to the Soviet General Staff.

Operational History

The DP saw widespread combat with the Red Army during the Winter War against Finland and throughout the Eastern Front campaigns during the Second World War, including actions at Stalingrad, Kursk, and the Siege of Leningrad. It equipped infantry squads, reconnaissance detachments, and armored vehicle crews in armored formations such as those of the 1st Belorussian Front and 3rd Ukrainian Front. Postwar, surplus DP guns were supplied to allied and client states including North Korea, People's Republic of China, and movements aligned with the Soviet Union during Cold War proxy conflicts like the Vietnam War and the Angolan Civil War.

Unit histories from formations such as the 13th Guards Rifle Division and 62nd Army document the weapon's role in defensive fire and mobile operations. Training regimens incorporating the DP were codified in manuals promulgated by the Red Army and later adapted by armed forces in the Warsaw Pact.

Variants and Derivatives

Several adaptations emerged: cavalry and tank-mounted versions were produced for units within the Soviet Cavalry and armored corps; airborne variants were modified for airborne troops trained under curricula at Frunze Military Academy-affiliated schools. Postwar developments by designers at Tula Arsenal and engineers experienced at Izhevsk Mechanical Plant led to derivative designs that informed later squad automatic weapons produced for Warsaw Pact forces and inspired indigenous copies manufactured in China by factories linked to Norinco-related industrial lineage.

Foreign copies and local productions appeared in states including Poland, Czechoslovakia, Romania, and Bulgaria where licensed or unlicensed manufacture occurred at national arsenals associated with ministries of defense and state industry ministries.

Users and Combat Service

Primary users included the Red Army, Soviet Navy landing parties, and postwar militaries of Mongolia, Czechoslovakia, Poland, Romania, Bulgaria, North Korea, and China. Insurgent and guerrilla groups such as factions involved in the First Indochina War and liberation movements in Africa employed captured or supplied DP-pattern guns. The weapon remained in reserve service with successor states of the Soviet Union and in armories of countries aligned through treaties like those brokered at Yalta Conference-era alignments and later Cold War agreements.

Production and Manufacturing

Mass production was concentrated at arsenals including Tula Arsenal and Izhevsk Mechanical Plant with subcontracting to state industrial works modeled on earlier factories that produced arms for the Imperial Russian Army. Wartime output ramped up under plans administered by the Soviet General Staff and state committees coordinating industry during the Great Patriotic War, with tooling and material allocations prioritized through ministries that also oversaw production of the PPSh-41 and the Mosin–Nagant rifle. Postwar exports and licensing linked production lines to factories in Czechoslovakia and Poland.

Legacy and Influence

The DP's influence extended to postwar squad automatic weapon design philosophies within the Warsaw Pact and to copycat systems produced in China and other aligned states. Its operational record informed infantry doctrine revisions by generals who graduated from institutions like the Frunze Military Academy and contributed to small-arms curricula at military academies across Eastern Europe. Museums and collections at institutions such as the Central Museum of the Armed Forces (Moscow) preserve examples alongside other iconic weapons like the Maxim gun and the PPSh-41, and the DP's technical lineage can be traced through later designs fielded by successor states of the Soviet Union.

Category:Light machine guns