Prototype Tube-Magazine Trapdoor Springfield

Published on August 19, 2020
Duration: 10:47

This video explores a rare prototype Trapdoor Springfield rifle modified with an under-barrel tubular magazine, likely for the 1882 US Army repeating rifle trials. The design, possibly by Augustine Sheridan Jones, features a Kropatschek-style lifter and a manual magazine cutoff. Ultimately, the modification proved impractical due to an extra manual step required for chambering rounds, making it less efficient than contemporary bolt-action repeaters.

Quick Summary

This prototype Trapdoor Springfield rifle was modified with an under-barrel tubular magazine and a manual cutoff for the 1882 US Army repeating rifle trials. It uses a Kropatschek-style lifter but requires a manual step to chamber rounds, making it less practical than bolt-action designs.

Chapters

  1. 00:00Introduction: Prototype Tube-Magazine Trapdoor Springfield
  2. 00:30Historical Context: 1882 Repeating Rifle Trials
  3. 02:05Base Rifle: Model 1873 Trapdoor Carbine
  4. 03:24Mechanical Operation: Magazine Cutoff
  5. 05:10Magazine Lifter System: Kropatschek Style
  6. 06:40Loading and Extraction Cycle Demonstration
  7. 08:20Design Assessment: Why It Failed

Frequently Asked Questions

What is unique about this prototype Trapdoor Springfield rifle?

This prototype features an under-barrel tubular magazine, converting the standard single-shot Trapdoor Springfield into a repeating rifle. It also includes a manual magazine cutoff for single-shot use.

What historical trials was this rifle likely intended for?

This experimental rifle was likely designed for the 1882 US Army repeating rifle trials. The military was seeking to replace the single-shot Trapdoor Springfield with a more modern repeating firearm.

What type of magazine feeding system does this prototype use?

The rifle employs a Kropatschek-style pivoting lifter system to feed cartridges from the tubular magazine onto the lifter. This is distinct from vertical elevator designs.

Why did this prototype Trapdoor Springfield design ultimately fail?

The design failed primarily because it required an extra manual step to push the cartridge into the chamber before closing the breech. This made it less efficient than contemporary bolt-action repeating rifles.

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