Custom UK59 Barreled Mosin M91/30

Published on November 17, 2017
Duration: 39:39

This guide details the complex process of building a custom Mosin M91/30 rifle featuring a UK59 machine gun barrel. It covers essential modifications like custom stock fitting, pillar bedding, suppressor integration, trigger replacement, and advanced headspacing techniques for improved accuracy. The build emphasizes using quality components for a unique, high-performance rifle, as demonstrated by an expert firearms reviewer.

Quick Summary

The custom UK59 Mosin M91/30 build integrates a heavy, chrome-lined UK59 machine gun barrel onto a Mosin action, achieving 1-1.5 MOA accuracy. It features custom gunsmithing, a Bluegrass stock, Rock Solid Industries parts, a Dead Air suppressor, and a Zeiss optic, optimized for heavy 200-grain 7.62x54R projectiles.

Chapters

  1. 00:00Initial Shooting Demonstration
  2. 01:03Build Overview and Barrel Specs
  3. 02:17Mounts, Stocks, and Suppressor
  4. 03:25Barrel Backstory and Custom Headspacing
  5. 05:41Accuracy Expectations and Bolt Conversion
  6. 06:34Optics Selection
  7. 07:55Ballistics and Ammo Performance
  8. 08:37Stock Bedding and Trigger
  9. 09:26Extended Range Testing
  10. 17:25Final Assessment

Frequently Asked Questions

What makes the UK59 Mosin M91/30 build unique?

This build is unique due to the integration of a heavy, chrome-lined UK59 machine gun barrel onto a Mosin-Nagant M91/30 action. It features custom gunsmithing for barrel fitting, a custom stock, advanced headspacing techniques, and high-quality accessories like a Zeiss optic and Dead Air suppressor.

What are the expected accuracy levels for this custom Mosin build?

The rifle is described as a 1 to 1.5 MOA (Minute of Angle) gun. This level of accuracy is achieved through precise custom headspacing off the cartridge shoulder, a quality barrel, and careful component selection, particularly with heavier projectiles.

What ammunition performs best in the custom UK59 Mosin M91/30?

Heavy 200-grain projectiles, such as the Brown Bear 203gr soft point tested, generally provide the best accuracy in Mosin-Nagant platforms. This build was optimized for such loads, achieving velocities around 2,373 FPS.

What key components were used in this custom Mosin M91/30 build?

Key components include a Mosin-Nagant M91/30 action, a UK59 machine gun barrel, a custom Bluegrass Gunstocks stock, a Rock Solid Industries mount and bolt handle, a Dead Air Sandman-Ti suppressor, a Timney trigger, and a Zeiss Conquest V6 3-18x50 optic.

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