DTM: The Soviet Tank Version of the DP-27 LMG

Published on February 8, 2020
Duration: 11:22

This guide details the process of removing the bipod and front sight assembly from a DTM (Degtyaryov Tank Machine Gun), a crucial step for mounting the weapon in Soviet tanks like the T-34 and KV-1. The process involves removing a single thumb screw to detach the bipod and integrated front sight, allowing the weapon to fit into the tank's ball socket mounts. This procedure is demonstrated by Ian McCollum of Forgotten Weapons at DriveTanks.com.

Quick Summary

The DTM is the tank variant of the Soviet DP-27 LMG, featuring a relocated recoil spring, collapsible stock, and removable bipod/sight for tank mounting. While controllable, its design compromises accuracy and comfort for infantry use compared to the DP-27, primarily due to its tall bipod mount and serrated stock.

Chapters

  1. 00:00Introduction to the DTM
  2. 00:26Historical Context and Variants
  3. 01:00Design Improvements: The DTM
  4. 01:34Tank vs. Infantry Features
  5. 02:22Bipod and Sight Removal
  6. 03:13Zero Retention Mechanism
  7. 04:12Stock and Magazine Differences
  8. 05:37Loading the Drum Magazine
  9. 06:20Live Fire and Bipod Issues
  10. 07:09Collapsible Stock Operation
  11. 08:00Ergonomics and Performance
  12. 08:56Accuracy and Bipod Height
  13. 10:03Final Summary

Frequently Asked Questions

What is the DTM and how does it differ from the DP-27?

The DTM is the tank-specific variant of the Soviet DP-27 light machine gun. Key differences include the relocation of the recoil spring to the rear receiver, a collapsible stock, and features for tank mounting like a removable bipod and front sight assembly, along with a larger 60-round drum magazine.

Why was the recoil spring moved in the DTM?

The recoil spring was moved from under the barrel to the rear of the receiver in the DTM (starting in 1944) to prevent heat-related failures that could occur during sustained fire when mounted inside a tank.

What are the main drawbacks of the DTM for infantry use?

For infantry use, the DTM suffers from a tall bipod mount and short sight radius which hinder accuracy. Additionally, the serrated buttstock is noted as being extremely uncomfortable during recoil, making it less suitable than the standard DP-27.

How is the DTM magazine different from the DP-27 magazine?

The DTM utilizes a larger 60-round drum magazine, which is taller and narrower than the standard 47-round drum magazine found on the DP-27. Both types require manual spring tensioning before loading.

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