Mosin Nagant carbine build bio part 1. My Mosin 1891/59 What makes this rifle interesting?

Published on January 3, 2026
Duration: 15:41

This guide details the identification and inspection of the Mosin Nagant 1891/59 carbine, drawing on expert insights from Cranky Gun Reviews. It covers key features like receiver markings, modified rear sights, stock characteristics, and the importance of checking serial numbers and arsenal stamps. The guide also explains how to identify a counterbored muzzle, a common feature on worn surplus rifles.

Quick Summary

The Mosin Nagant 1891/59 carbine is identified by its '1891/59' receiver marking and a modified rear sight with long-range distances milled off. These rifles were often 91/30s converted and re-arsenaled, frequently in Bulgaria. Check for force-matched serial numbers and importer stamps like Century Arms International.

Chapters

  1. 00:00Introduction to Mosin Nagant Carbines
  2. 01:38Overview of the 1891/59
  3. 03:22Arsenal Markings and Identification
  4. 05:03Stock and Sight Features
  5. 08:54Serialization and Matching Numbers
  6. 12:16Importer Markings and Inspection Stamps
  7. 13:40Bore and Rifling Inspection

Frequently Asked Questions

What are the key identifiers for a Mosin Nagant 1891/59 carbine?

Key identifiers include the '1891/59' marking on the receiver, a milled rear sight base that removes long-range markings, and often Bulgarian re-arsenal marks. These rifles were typically converted from 91/30 models.

How can I check for force matching on a Mosin Nagant?

Inspect all serial numbers (receiver, bolt, floorplate, buttplate). Look for original numbers that have been struck out and replaced with new stamped or electro-penciled numbers, indicating force matching during refurbishment.

What is a counterbored muzzle on a Mosin Nagant?

A counterbored muzzle means the end of the barrel's rifling has been drilled out. This modification is often performed on worn surplus rifles to effectively shorten the barrel and potentially improve accuracy.

Where can I find importer marks on a Mosin Nagant carbine?

Importer marks, such as 'C.A.I. ST. ALB. VT.' for Century Arms International, are typically found stamped on the barrel of the rifle. These indicate the company that imported the firearm into the United States.

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