CMMG Dissent Pistol is BLASTY!

Published on April 6, 2024
Duration: 10:55

This video explores the significant muzzle blast and fireball produced by the CMMG Dissent Pistol, highlighting the need for a suppressor for home defense. It details ballistic testing using a Garmin chronograph and the GeoBallistics app to compare 25-yard and 36-yard zero distances. The analysis suggests a 25-yard zero is more effective for short-barreled pistols, offering a wider point-blank range suitable for close-quarters engagements.

Quick Summary

For short-barreled pistols like the CMMG Dissent, a 25-yard zero is recommended for optimal home defense performance. This setup, using 55-grain ammunition at around 2100 FPS, offers a point-blank range out to approximately 230 yards for center mass hits, significantly extending its practical utility compared to a 36-yard zero.

Chapters

  1. 00:05Introduction: Extreme Muzzle Blast
  2. 00:35Blast Deflector Ineffectiveness
  3. 00:54Suppressor Testing: Dead Air Sandman
  4. 01:04Zeroing Philosophy for Short Barrels
  5. 01:30Suppressor Mounted
  6. 01:51Chronograph Testing Setup
  7. 02:44Velocity Results: PMC Bronze 55gr
  8. 03:04Intended Use: Pistol vs. Precision Tool
  9. 03:48Group Analysis & Zero Calculations
  10. 03:5725-Yard Zero Analysis
  11. 04:25Home Defense Application & Suppressor Necessity
  12. 05:07Ballistic Calculations with GeoBallistics
  13. 05:34Inputting 25-Yard Zero Data
  14. 05:56Effective Range with 25-Yard Zero
  15. 07:03Comparing to 36-Yard Zero
  16. 07:1136-Yard Zero Results & Limitations
  17. 08:0336-Yard Zero: Close Range Holdover
  18. 08:27Revisiting 25-Yard Zero for Close Range
  19. 08:39Zeroing Strategy for Short Barrels
  20. 09:00Consistency Across Platforms
  21. 09:53Biggest Surprise: Muzzle Blast
  22. 10:00CMMG Dissent Features
  23. 10:15Addressing Muzzle Flash
  24. 10:21Conclusion & Call to Action

Frequently Asked Questions

What is the primary issue with the CMMG Dissent Pistol without a suppressor?

The CMMG Dissent Pistol, especially with its short barrel, produces an extreme muzzle blast and a very large, bright fireball. This makes it impractical and potentially dangerous for home defense, as the flash can temporarily blind a user, even with night vision.

What is the recommended zero distance for a short-barreled pistol like the CMMG Dissent for home defense?

Based on ballistic analysis, a 25-yard zero is recommended for short-barreled pistols like the CMMG Dissent. This provides a flatter trajectory and a wider point-blank range, allowing for center mass hits out to approximately 230 yards without significant holdover.

How does a 36-yard zero compare to a 25-yard zero on a short-barreled pistol?

A 36-yard zero on a short-barreled pistol significantly reduces the effective point-blank range, re-zeroing at only 120 yards. This means more holdover is required for targets beyond that distance, making it less ideal for versatile use compared to a 25-yard zero.

What ammunition was used for ballistic testing of the CMMG Dissent Pistol?

For the ballistic testing, PMC Bronze 55-grain ammunition was used. The average velocity recorded across five shots was approximately 2100 feet per second, which served as the basis for the ballistic calculations.

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