The CMMG Dissent 12.5" Chambered in 8.6 Blackout

Published on March 13, 2025
Duration: 7:31

This review of the CMMG Dissent in 8.6 Blackout highlights its AR-like platform size and weight, making it a more compact alternative to larger caliber firearms. Key features include a 12.5-inch barrel with a 1:3 twist rate, a DI gas system with an adjustable gas block, and ambidextrous controls. The firearm is presented as a versatile option for various shooting applications.

Quick Summary

The CMMG Dissent 12.5" rifle is chambered in 8.6 Blackout, featuring a 1:3 twist rate barrel and a DI gas system with an adjustable gas block. It offers ambidextrous controls, including a reversible charging handle and magazine releases, and eliminates the external buffer tube for a more compact AR-like platform.

Chapters

  1. 00:00Introduction
  2. 00:05CMMG Dissent Overview
  3. 00:138.6 Blackout Caliber Explained
  4. 00:38Platform Size and Weight Comparison
  5. 01:07Muzzle Brake and Barrel
  6. 01:28Twist Rate and Rail System
  7. 01:45Buffer Tube Elimination
  8. 02:02Direct Impingement (DI) System
  9. 02:14Left-Hand Charging Handle
  10. 02:40Ambidextrous Magazine Release
  11. 02:58Ambidextrous Safety Selector
  12. 03:30Pistol Grip and Storage Compartment
  13. 04:15Rear Stock/Brace Mount
  14. 04:31Adjustable Gas Block
  15. 04:56Trigger Pull and Reset
  16. 05:48Recap of Features
  17. 05:54Technical Specifications Review
  18. 07:07Included Magazines
  19. 07:12Call to Action and Outro

Frequently Asked Questions

What caliber is the CMMG Dissent rifle reviewed in this video?

The CMMG Dissent rifle featured in this video is chambered in the 8.6 Blackout caliber. This caliber uses a .338 diameter projectile in a shorter casing, offering significant power in a compact platform.

What are the key features of the CMMG Dissent's barrel and operating system?

The CMMG Dissent has a 12.5-inch barrel with a 1:3 twist rate. It operates on a Direct Impingement (DI) gas system and includes an adjustable gas block for tuning performance with different ammunition or accessories.

How does the CMMG Dissent handle ambidextrous controls?

The CMMG Dissent offers several ambidextrous features, including a reversible charging handle (left or right-side configurable), ambidextrous magazine releases, and an ambidextrous safety selector with a textured grip.

What makes the CMMG Dissent's design unique compared to traditional AR platforms?

A notable design difference is the absence of an external buffer tube on the CMMG Dissent. The buffer mechanism and springs are integrated internally within the upper receiver, contributing to its compact profile.

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