Checking Ammo in my Finnish M39 Mosin for Finnish Brutality

Published on December 15, 2020
Duration: 9:44

This guide details a methodical approach to selecting and testing 7.62x54R ammunition for the Finnish M39 Mosin Nagant, specifically for competitive scenarios like the Finnish Brutality match. Expert Ian McCollum demonstrates how to achieve consistent point-of-impact by evaluating different bullet weights and brands at 150 meters, highlighting the superior performance of PPU 182gr Match ammunition.

Quick Summary

Expert Ian McCollum's testing reveals PPU 182gr Match 7.62x54R ammunition as the top performer for the Finnish M39 Mosin Nagant in competitive scenarios. It consistently hit 'dead-on' at 150 meters with a 2 MOA group, unlike heavier loads that impacted high or lighter loads causing reliability issues.

Chapters

  1. 00:00Introduction: Finnish M39 Mosin Nagant
  2. 01:31Ammunition Selection for Testing
  3. 02:46Testing Methodology: 150 Meters Prone
  4. 04:35Heavy Bullet Performance Analysis
  5. 06:13Light Ball and PPU Match Results

Frequently Asked Questions

What is the best 7.62x54R ammunition for a Finnish M39 Mosin Nagant in competition?

Based on expert testing, PPU 182gr Match 7.62x54R ammunition is highly recommended. It demonstrated exceptional accuracy, hitting 'dead-on' at 150 meters with a consistent 2 MOA group, making it ideal for competitive shooting scenarios.

How does heavier 7.62x54R ammunition perform in a Finnish M39 Mosin Nagant?

Heavier 7.62x54R bullets, ranging from 174gr to 203gr, typically impact 4 to 7 inches high at 150 meters when using the standard iron sights on a Finnish M39 Mosin Nagant. This requires compensation or specific sight adjustments for accurate shooting.

What are the key considerations when selecting ammunition for a Finnish M39 Mosin Nagant in competition?

Key considerations include point-of-impact consistency at the target distance (e.g., 150 meters), group size (aiming for 2 MOA or better), and avoiding ammunition that causes reliability issues like 'sticky bolt' syndrome.

What is the minimum sight setting on a Finnish M39 Mosin Nagant?

The Finnish M39 Mosin Nagant features adjustable iron sights that can be set down to a minimum of 150 meters. This fixed minimum setting is a crucial factor when selecting ammunition for competition stages.

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