RP46 Variations: Russian, North Korean, and US Reproduction

Published on July 4, 2018
Duration: 28:59

This guide details the installation and basic operation of the RP46 belt-feed adapter, a conversion for the DP-series light machine guns. It covers removing the original pan magazine, attaching the adapter, and cycling the mechanism to prepare for belt feeding. Expert insights from Ian McCollum highlight the mechanical intricacies and historical context of this significant upgrade.

Quick Summary

The RP46 is a Soviet belt-fed light machine gun, an evolution of the DP27/DP28, designed to increase sustained fire capability. Its belt-feed adapter uses a cam track and pawl system driven by the charging handle to feed 7.62x54mmR cartridges, addressing the need to match German MG34/MG42 performance.

Chapters

  1. 00:00Introduction to RP46 & Degtyaryov Lineage
  2. 01:12DPM Modernization Details
  3. 02:22Universal Machine Gun Concept
  4. 03:54RP46 Belt-Feed Conversion
  5. 05:48Adapter Mechanical Operation Deep Dive
  6. 09:30Structural Modifications Explained
  7. 11:38Gas System Redesign
  8. 15:15Bipod and Cleaning Rod Storage
  9. 17:01Russian vs. North Korean Variations
  10. 22:44US Reproduction by SMG Guns

Frequently Asked Questions

What is the RP46 and how does it differ from the DP27/DP28?

The RP46 is a Soviet light machine gun that evolved from the DP27/DP28 lineage. Its primary distinction is the conversion to a belt-fed system, replacing the original pan magazine to enhance sustained fire capability, a modification driven by the need to match German MG34/MG42 performance.

How does the RP46 belt-feed adapter work?

The RP46 adapter replaces the pan magazine and utilizes a reciprocating charging handle. This handle drives an internal cam track that manipulates a feed pawl, which in turn extracts cartridges from the 7.62x54mmR belt and presents them for chambering.

What are the key differences between Soviet RP46 and North Korean Type 64 variants?

While both are based on the Degtyaryov LMG and adapted for belt feed, the North Korean Type 64 often features distinct markings (like a star logo), different front sight locations, modified gas blocks, and unique buttstock designs, sometimes including an integrated shoulder rest.

Are there modern reproductions of the RP46 belt-feed system available?

Yes, SMG Guns produces a modern reproduction of the RP46 belt-feed adapter. This version incorporates updated features such as a spring-latch system and a redesigned short-stroke gas piston, aiming for improved reliability compared to original designs.

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