The Original CETME Mars Importation

Published on August 20, 2018
Duration: 14:23

This video provides an expert-level overview of the rare, original CETME Sport rifle imported by Mars Equipment Corp. It details the rifle's post-WWII development history, tracing the lineage from Mauser engineers to the Spanish CETME models and the eventual standardization of the Model C. The presentation highlights the specific ATF-mandated modifications for US importation and contrasts the CETME's internal mechanics with the HK G3, emphasizing its historical significance and collector value.

Quick Summary

The Mars-Import CETME Sport rifle is a rare, factory-produced firearm imported from Spain. It features ATF-mandated modifications for semi-automatic function and differs internally from the HK G3, using a torsion hammer spring and a 50-degree bolt wedge.

Chapters

  1. 00:00Introduction: Mars-Import CETME Sport
  2. 00:44Post-WWII Development History
  3. 02:49Evolution of CETME Models (2, A, B, C)
  4. 04:40Mars Equipment Corp Importation Details
  5. 06:35External Features & Markings
  6. 08:55Disassembly & ATF Semi-Auto Conversion
  7. 11:05CETME vs. HK G3 Internal Comparison
  8. 12:43Conclusion: Rarity & Collectibility

Frequently Asked Questions

What makes the Mars-Import CETME Sport rifle rare?

The Mars-Import CETME Sport is rare due to its limited importation numbers (1,254 total) and its status as a complete, factory-produced rifle rather than a parts-kit build. Many were imported before the 1968 Gun Control Act, adding to their scarcity.

What modifications were made to the CETME Sport for US importation?

ATF-mandated modifications included a block in the receiver and a relocated pivot pin for the trigger pack. Internal divots in the trigger housing also prevented the installation of military full-auto components, ensuring compliance.

How does the CETME Sport's internal mechanism differ from the HK G3?

The CETME uses a torsion-style hammer spring, similar to an AK, and a 50-degree bolt wedge. In contrast, the HK G3 employs a compression spring and a 45-degree bolt wedge, representing key internal design divergences.

Who developed the roller-delayed blowback system used in the CETME?

The roller-delayed blowback system originated with Mauser engineers who developed the StG-45 during WWII. After the war, these engineers, including Ludwig Vorgrimler, moved to Spain and were recruited to develop the CETME rifle.

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