Battle of the Submachine Guns Pt.2: Kriss Vector and M3 Grease Gun

Published on December 5, 2014
Duration: 5:17

This video compares the M3 Grease Gun and Kriss Vector, highlighting the M3's superior controllability in full-auto fire due to its slow 450 RPM rate. The Kriss Vector, despite advanced recoil mitigation, struggles with its higher 1100 RPM rate. The M3 Grease Gun proved most accurate and controllable at 10 yards compared to the Thompson and Vector.

Quick Summary

The M3 Grease Gun is highly controllable due to its slow 450 RPM cyclic rate, allowing for easy single or double shots in full-auto. While the Kriss Vector has advanced recoil mitigation, its higher 1100 RPM rate makes sustained bursts difficult to manage.

Chapters

  1. 00:00M3 Grease Gun Overview & Differences
  2. 00:22M3 Grease Gun Technical Specs & Controllability
  3. 00:56M3 Grease Gun Range Performance vs Thompson
  4. 02:04Kriss Vector Introduction & Technology
  5. 03:00Ingram MAC-10 High Cyclic Rate Issues
  6. 03:35Kriss Vector Range Performance & Limitations
  7. 04:49Final SMG Comparison & Conclusion

Frequently Asked Questions

What makes the M3 Grease Gun so controllable?

The M3 Grease Gun's exceptional controllability stems from its very slow cyclic rate of 450 rounds per minute. This allows for easy single or double shots even when firing in full-auto mode, making it highly manageable on the range.

How does the Kriss Vector's recoil mitigation compare to its controllability?

The Kriss Vector features advanced recoil mitigation technology, but its higher rate of fire (1100 RPM) makes sustained full-auto bursts challenging to keep on target. Its strengths are better realized in semi-auto or two-round burst modes.

What is the main difference between the M3 and M3A1 Grease Guns?

The primary distinction lies in their cocking mechanisms. The original M3 Grease Gun uses a side cocking lever, whereas the later M3A1 requires the operator to pull the bolt back by inserting a finger through the ejection port.

Which submachine gun was found to be the most controllable in the test?

In the comparison at 10 yards, the M3 Grease Gun proved to be the most controllable submachine gun for full-auto fire. It achieved tighter and more consistent groups than both the M1A1 Thompson and the Kriss Vector.

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