Finland's M39 PH Sniper from the Continuation War

Published on December 15, 2021
Duration: 13:03

This review delves into the Finnish M39 PH sniper rifle, a rare but practically flawed weapon from the Continuation War. It highlights the ambitious but compromised Physica scope, its unique rangefinding reticle, and the rifle's specific modifications like the offset mount and cheek rest. The video also touches upon the scope's significant weight, fogging issues, and dangerously short eye relief, contrasting it with other Finnish sniper optics.

Quick Summary

The Finnish M39 PH sniper rifle featured the Physica scope, which was heavy, prone to fogging, and had a dangerously short 40mm eye relief. Modifications included an offset mount and bent bolt handle. Its tapered dovetail mount tightened under recoil but was hard to remove.

Chapters

  1. 00:00Introduction: M39 PH Sniper Rifle
  2. 01:31Development of the Physica Scope
  3. 02:49Technical Flaws & Weight of Physica Scope
  4. 05:14Physica Scope Reticle & Rangefinding
  5. 05:50M39 Rifle Modifications for Scope
  6. 07:50Dovetail Mount Mechanics
  7. 10:14Service Limitations: Eye Relief
  8. 11:12Other Finnish Sniper Variants

Frequently Asked Questions

What was the main issue with the Physica scope used on the Finnish M39 PH sniper rifle?

The Physica scope had several issues, including being excessively heavy (800g), prone to fogging, and featuring a dangerously short eye relief of only 40mm, requiring the shooter's eye to be very close to the eyepiece during recoil.

How was the M39 PH rifle modified to accommodate the Physica scope?

The rifle was modified with a large wooden cheek rest for better ergonomics and an offset scope mount positioned to the left. The bolt handle was also bent, similar to Russian designs, to ensure clearance for the scope.

What made the Physica scope's mounting system unique on the M39 PH?

The scope utilized a tapered dovetail mount that actually tightened itself under the rifle's recoil. While this ensured a secure fit, it made removing the scope without specialized tools quite difficult.

Did Finland use other scopes on their M39 sniper rifles besides the Physica?

Yes, Finland also employed captured Russian PE and PEM scopes. Later, they ordered German Ajack scopes, and a domestic copy, the M43, was developed but arrived too late for wartime use.

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