Gun Of The Week: Military Armament MAC-5K

Published on June 6, 2025
Duration: 3:12

This video reviews the Military Armament Corporation MAC 5K, a non-NFA SMG clone of the Heckler & Koch MP5K. It highlights the firearm's faithful replication of the original design, including its roller-delay mechanism and 9mm Luger chambering. Key features like the stamped steel receiver, polymer lower and forend with integrated hand stop, and ergonomic grip are discussed, along with its compatibility with HK parts and aftermarket support. The review emphasizes its suitability for close-quarter work and its palatable price point.

Quick Summary

The Military Armament Corporation MAC 5K is a non-NFA SMG clone of the HK MP5K, chambered in 9mm Luger. It features a stamped steel upper, polymer lower and forend with a hand stop, and HK's roller-delay mechanism. Its short 14-inch length makes it ideal for close-quarter applications.

Chapters

  1. 00:00Introduction to MAC 5K
  2. 00:16History of MP5 Clones
  3. 00:35MP5K Debut and Popularity
  4. 00:45Military Armament Corporation's Role
  5. 00:49MAC 5K Overview
  6. 01:00MP5K 'Kurtz' Meaning
  7. 01:09Caliber and Mechanism
  8. 01:18Parts Compatibility and Aftermarket
  9. 01:28Receiver and Finish
  10. 01:34Lower Receiver Differences
  11. 01:37Forend and Hand Stop
  12. 01:42Ergonomic Grip Features
  13. 01:50Operating the MAC 5K
  14. 01:53Arm Brace and Sling Recommendation
  15. 01:57Sights and Included Magazines
  16. 02:05Controls and Operation
  17. 02:14Barrel and Suppressor Mount
  18. 02:20Flash Hider
  19. 02:22Fluted Chamber
  20. 02:27Range Testing Impressions
  21. 02:32Close Quarter Suitability
  22. 02:34Manual of Arms
  23. 02:40Optic Compatibility
  24. 02:47Included Accessories and Case
  25. 02:51Weight and Length
  26. 02:54Overall Value Proposition
  27. 03:01Conclusion and Further Information

Frequently Asked Questions

What is the Military Armament Corporation MAC 5K?

The MAC 5K is a non-NFA submachine gun clone manufactured by Military Armament Corporation, designed to faithfully replicate the Heckler & Koch MP5K submachine gun. It features a 9mm Luger chambering and HK's roller-delay operating mechanism.

What are the key features of the MAC 5K?

Key features include a stamped steel upper receiver, polymer lower and forend with a built-in hand stop, ergonomic grip with finger grooves and a thumb shelf, a 5.8-inch barrel with a trilug suppressor mount, and compatibility with HK rail mounts for optics.

How does the MAC 5K compare to the original MP5K?

The MAC 5K is a close clone, sharing parts compatibility and the roller-delay mechanism. Subtle differences include the use of a polymer lower receiver and forend, compared to the original's metal construction.

What is the intended use for the MAC 5K?

Due to its short overall length (14 inches) and manageable weight (under 4 lbs), the MAC 5K is particularly well-suited for close-quarter work and personal defense scenarios.

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