RPD: The LMG Adapts to Modern Combat

Published on July 30, 2021
Duration: 22:40

This guide details the field stripping process for the RPD light machine gun, including accessing and adjusting the gas regulator. It emphasizes safety protocols and highlights the RPD's long-stroke gas piston and flapper locking mechanism. The information is presented with the authority of Forgotten Weapons' Ian McCollum, a recognized expert in historical firearms.

Quick Summary

The RPD light machine gun fires the 7.62x39mm M43 cartridge and is belt-fed using 50-round metallic belts, often linked for 100-round capacity. It employs a flapper locking system and features a three-position adjustable gas regulator for reliability. Developed in the Soviet Union, it saw widespread international use and was manufactured in countries like China.

Chapters

  1. 00:00Introduction and Historical Context
  2. 03:36Ammunition and Belt System
  3. 05:19Belt Variations and Feed Mechanism
  4. 07:58Markings and External Features
  5. 12:05Ergonomics and Gas System
  6. 14:50Internal Mechanics and Disassembly
  7. 20:04Service History and Legacy

Frequently Asked Questions

What cartridge does the RPD light machine gun use?

The RPD light machine gun primarily uses the 7.62x39mm M43 intermediate cartridge. This cartridge was developed to be more manageable for squad-level infantry combat compared to full-power rifle cartridges.

How is the RPD fed ammunition?

The RPD is belt-fed, typically using 50-round non-disintegrating metallic belts. These belts can be linked together to achieve a 100-round capacity and are stored in a hollow drum carrier attached to the weapon's underside.

What locking mechanism does the RPD employ?

The RPD utilizes a flapper locking system, similar to the earlier DP-27. In this system, the bolt carrier drives locking flaps outward into the receiver walls to secure the bolt during firing.

Why was the RPD developed?

The RPD was developed during WWII as a squad-level light machine gun. The Soviet Union recognized the need for a weapon firing an intermediate cartridge (7.62x39mm) suitable for modern infantry combat, leading to the RPD, AK, and SKS family of firearms.

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