Smoothbore Spencer: Tracing a Mystery Gun

Published on February 3, 2016
Duration: 12:10

This analysis details a unique smoothbore Spencer conversion, likely a surplus 1865 carbine modified for civilian use as a 'foraging' gun. Expert Ian McCollum highlights key identification features, including serial numbers, the Stabler cutoff, and evidence of its carbine origin, providing a deep dive into this historical firearm's transformation.

Quick Summary

A smoothbore Spencer conversion is a military surplus Spencer rifle or carbine modified to have a smooth barrel, often in 20-gauge, for civilian use as a 'foraging' gun. These conversions allowed for hunting small game, transforming the original military firearm into a more versatile tool.

Chapters

  1. 00:00Introduction to the Mystery Gun
  2. 00:55Spencer Rifle History
  3. 03:54Serial Number and Model Identification
  4. 04:39Evidence of Carbine Origin
  5. 05:28The Stabler Cutoff Mechanism
  6. 06:45Smoothbore Conversion Details
  7. 08:01Sighting System Clues
  8. 09:10Conclusion on the Gun's History

Frequently Asked Questions

What is a smoothbore Spencer conversion?

A smoothbore Spencer conversion is a military-surplus Spencer rifle or carbine, originally designed for rifle cartridges, that has been modified by re-boring its barrel to function as a smoothbore shotgun, typically in a gauge like 20-gauge.

What was the purpose of a smoothbore Spencer conversion?

These conversions were often made for civilian use, transforming military surplus firearms into 'foraging' guns. They were suitable for hunting small game or birds, offering a more versatile application than the original rifle configuration.

How can one identify an original Spencer carbine?

Identifying an original Spencer carbine involves examining serial numbers (like #1618 on this example, indicating an 1865 pattern), receiver markings, and features such as a side tang for a cavalry sling bar, even if the bar itself is missing.

What is the Stabler cutoff on a Spencer rifle?

The Stabler cutoff is a mechanism on certain Spencer rifles that allows the shooter to disengage the magazine feed. This enables the rifle to be fired as a single-shot weapon, conserving the magazine's rounds for later use.

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