Checking Ammo in my Finnish M39 Mosin for Finnish Brutality

Published on December 15, 2020
Duration: 9:44

This video details an ammunition test for a Finnish M39 Mosin-Nagant in preparation for the Finnish Brutality match. Ian McCollum tests various 7.62x54R loads for point-of-impact consistency at 150 meters. The PPU 182gr Match load proved most effective, hitting point-of-aim with a 2 MOA group, while heavier loads consistently shot high.

Quick Summary

PPU 182gr Match ammunition is recommended for the Finnish M39 Mosin-Nagant in competition, hitting point-of-aim at 150 meters with a 2 MOA group. Heavier loads consistently shot high, while light ball caused extraction issues.

Chapters

  1. 00:00Introduction & M39 Specs
  2. 01:317.62x54R Ammunition Selection
  3. 02:46Testing Methodology: 150m Prone Groups
  4. 04:35Heavy Bullet Performance Analysis
  5. 06:13Light Ball & PPU Match Results

Frequently Asked Questions

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

For the Finnish Brutality match, PPU 182gr Match ammunition proved most effective for the Finnish M39 Mosin-Nagant. It hit point-of-aim at 150 meters with a 2 MOA group, crucial for competition stress.

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

Heavy 7.62x54R bullets (174gr to 203gr) tend to shoot high, impacting 4 to 7 inches above the point of aim at 150 meters when using the 150m sight setting.

What are the key features of the Finnish M39 Mosin-Nagant for competition?

The Finnish M39 Mosin-Nagant features a bolt-action mechanism and iron sights adjustable down to 150 meters. Its 7.62x54R caliber requires careful ammunition selection for consistent point-of-impact.

What testing methodology was used for the Mosin-Nagant ammunition test?

The test involved shooting five-round groups from a prone position at 150 meters. The goal was to identify ammunition that hits the point of aim without requiring hold-overs under competitive pressure.

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