Mexican Obregon 1911 Variant

Published on December 31, 2012
Duration: 8:15

This expert-level entry details the Obregon, a rare Mexican M1911 variant produced between 1934-1938. It highlights the Obregon's unique rotating barrel mechanism, a significant departure from the standard 1911's tilting barrel. The entry also covers its history, production numbers, and notable design simplifications like a captive recoil spring and combined safety/slide stop lever, offering insights into its mechanical differences and potential improvements over the original M1911 design.

Quick Summary

The Mexican Obregon M1911 variant is distinguished by its unique rotating barrel mechanism, a significant departure from the standard M1911's tilting barrel. Produced in limited numbers (around 800 units between 1934-1938), it also features a captive recoil spring and a combined safety/slide stop lever.

Chapters

  1. 00:14Introduction to the Obregon
  2. 00:34Key Difference: Rotating Barrel
  3. 00:55Obregon History and Production
  4. 01:28Compatibility: Magazines and Caliber
  5. 01:40Disassembly and Unique Features
  6. 02:22Detailed Look at Rotating Barrel Mechanism
  7. 02:47Barrel Locking Lug Comparison
  8. 03:21Barrel and Locking Piece Interaction
  9. 03:51Design Simplifications and Improvements
  10. 04:31Obregon Magazine Safety
  11. 05:08Recoil Spring Design Comparison
  12. 05:25Conclusion and Shooting Preview
  13. 05:50Range Prep and Safety Features
  14. 06:22Live Fire Demonstration
  15. 07:10Shooting Observations and Issues
  16. 08:03Outro and Channel Promotion

Frequently Asked Questions

What makes the Mexican Obregon M1911 variant unique?

The Obregon's primary distinction is its rotating barrel mechanism, a significant departure from the standard M1911's tilting barrel. It also features a captive recoil spring and a combined safety/slide stop lever, simplifying its design.

How many Obregon M1911 variants were produced?

Approximately 800 Obregon pistols were manufactured in Mexico between 1934 and 1938. This limited production run makes the Obregon a rare and collectible firearm.

What are the key mechanical differences between the Obregon and a standard M1911?

The Obregon employs a rotating barrel for locking, utilizing circumferential lugs, whereas the M1911 uses a tilting barrel with lugs on top. The Obregon also features a captive recoil spring and a simplified safety mechanism.

What are some potential issues with the Obregon M1911 variant?

The Obregon can be sensitive to ammunition types, leading to ignition failures. It may also exhibit finicky behavior with magazines, and left-handed shooters might inadvertently engage the safety, causing malfunctions.

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