Gevarm A6: An Open Bolt Semiauto .22 Sporting Rifle

Published on May 26, 2018
Duration: 13:56

The Gevarm A6 is a French .22LR open-bolt semi-automatic sporting rifle with a simple blowback mechanism. Its open-bolt design, while impacting accuracy, offers high reliability and simplicity, featuring a unique dual firing pin and no extractor. Originally imported to North America in the 1960s, it faced ATF restrictions in the 1980s due to potential full-auto conversion.

Quick Summary

The Gevarm A6 is a French .22LR open-bolt semi-automatic sporting rifle known for its simplicity and reliability. Its unique mechanism, lacking a traditional extractor, operates by the bolt moving forward to chamber and fire. While this design prioritizes function, it generally results in lower accuracy compared to closed-bolt systems.

Chapters

  1. 00:00Introduction to Gevarm A6
  2. 00:43Gevarm Model Variations
  3. 01:50Open-Bolt Mechanism Explained
  4. 02:24Legal & Import History (ATF)
  5. 03:14Accuracy vs. Simplicity
  6. 04:27Mechanical Design (No Extractor)
  7. 05:48Range Demonstration
  8. 06:37Open-Bolt Safety Procedures
  9. 08:34Disassembly & Tuning
  10. 10:26Bolt Face & Firing Pin
  11. 12:06Markings & Proofs

Frequently Asked Questions

What makes the Gevarm A6 unique among semi-automatic rifles?

The Gevarm A6 is notable for its open-bolt semi-automatic action. This design means the bolt stays locked open until the trigger is pulled, then it moves forward to chamber and fire the round, a feature more commonly seen in submachine guns.

How does the Gevarm A6's open-bolt design affect its performance?

While the open-bolt mechanism simplifies operation and enhances reliability by reducing moving parts, it typically leads to lower inherent accuracy compared to closed-bolt designs due to the bolt's forward momentum before firing.

What were the legal implications for the Gevarm A6 in the US?

The Gevarm A6 was imported into North America in the 1960s but faced restrictions by the ATF in the early 1980s. The open-bolt design was considered too easily convertible to full-automatic fire, though existing rifles were grandfathered.

Does the Gevarm A6 have an extractor?

No, the Gevarm A6 does not feature a traditional extractor. Its simple blowback design relies on gas pressure to eject spent casings, and the open-bolt nature means manual extraction is only needed for misfires.

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