Project PRAK: Converting the CZ50 Pistol to 9x18mm Makarov

Published on October 31, 2025
Duration: 0:58

This video details Project PRAK, a 1966 Czech experiment to convert CZ Model 50 pistols to fire 9x18mm Makarov ammunition. The conversion involved external slide modifications, including restamping the caliber, and a substantial internal change with a new, hand-fitted barrel. Despite firing 3500 rounds, the project was ultimately abandoned due to encountered issues.

Quick Summary

Project PRAK was a 1966 Czech experiment to convert CZ Model 50 pistols to 9x18mm Makarov. This involved restamping the slide with a '9' and fitting a new, hand-worked barrel. Despite firing 3500 rounds, the project was abandoned due to encountered issues.

Chapters

  1. 00:00Project PRAK Introduction
  2. 00:07CZ 50 Conversion Goal
  3. 00:17External Conversion Markings
  4. 00:27Internal Barrel Modification
  5. 00:37Firing Trials and Issues
  6. 00:46Project Abandonment

Frequently Asked Questions

What was Project PRAK?

Project PRAK was a Czech experiment in 1966 aimed at converting existing CZ Model 50 pistols to fire the 9x18mm Makarov cartridge. The project involved modifying the slide and replacing the barrel.

How was the CZ 50 converted to 9x18mm Makarov?

The conversion involved grinding off the original caliber marking on the CZ 50's slide and restamping it with a '9'. A new barrel, specifically fitted for the 9x18mm Makarov, was also installed.

What were the results of the Project PRAK firing trials?

During firing trials, a total of 3500 rounds were fired through the converted CZ 50 pistols. However, the project encountered a series of problems, leading to its eventual abandonment.

Was the CZ 50 to 9x18mm Makarov conversion ever mass-produced?

No, the Project PRAK conversion was never taken further. Testing concluded by October 1966, and the decision was made not to proceed with mass production or further development of this modification.

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