The Italian Workhorse: Carcano M91 Rifle

Published on May 5, 2020
Duration: 25:58

This guide details the field stripping and reassembly process for the Carcano M91 rifle, as demonstrated by Ian McCollum. It covers bolt removal, disassembly, cleaning, and reassembly, emphasizing the importance of safety checks throughout. The video highlights specific design features and potential quirks of the M91 action.

Quick Summary

The Carcano M91 rifle, chambered in 6.5x52mm Carcano, was Italy's primary service rifle. It features a bolt action, a 6-round en-bloc clip, and early models utilized gain-twist rifling. Despite criticisms, it was a robust design, with over 3.5 million produced, and notable for its unique bolt guide lug.

Chapters

  1. 00:00Introduction to the Carcano M91
  2. 00:52Predecessors and Cartridge Development
  3. 03:146.5x52mm Cartridge Specs
  4. 04:13Adoption and Early Service
  5. 06:24Salvatore Carcano and Design Features
  6. 08:12Technical Operation and Safety
  7. 11:11Markings and Sights
  8. 16:10Gain-Twist Rifling
  9. 17:47Design Philosophy and Production

Frequently Asked Questions

What caliber is the Carcano M91 rifle?

The Carcano M91 rifle is chambered in 6.5x52mm Carcano. This cartridge was chosen for its high velocity, long point-blank range, and the ability for soldiers to carry more ammunition during colonial campaigns.

What is unique about the Carcano M91's rifling?

Early models of the Carcano M91 featured gain-twist rifling, where the twist rate of the grooves increases towards the muzzle. This design was intended to reduce barrel wear and prevent jacket separation, though it was later abandoned for simpler production methods.

What are some potential operational quirks of the Carcano M91?

A notable quirk is the bolt guide lug, which doubles as a gas shield but can be accidentally bumped out of alignment when the bolt is open, potentially jamming the action. The bolt system itself was influenced by Mauser designs.

When was the Carcano M91 rifle adopted by Italy?

The Carcano M91 rifle was formally adopted by Italy in 1892. Production was initially slow, leading to shortages in early conflicts, but ramped up sufficiently to equip the entire army by World War I.

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