CMMG Redid Everything

Published on May 8, 2022
Duration: 17:25

This video provides an in-depth review of CMMG's overhauled product line, focusing on a 300 Blackout SBR. The instructor highlights significant improvements like a forged sling plate and new furniture, while also critiquing the lack of an adjustable gas block and a forward assist. Ballistics testing of various 300 Blackout loads is presented, demonstrating the rifle's performance.

Quick Summary

CMMG has significantly updated its rifle line, introducing a durable forged sling plate and ergonomic Zero line furniture. While the rifle performs well with various 300 Blackout loads, critiques include the lack of a full Picatinny rail on the handguard, no adjustable gas block, and the absence of a forward assist.

Chapters

  1. 00:50CMMG Product Line Overhaul
  2. 01:12Old vs. New CMMG Rifle Design
  3. 01:29300 Blackout SBR Features
  4. 01:48Forged Sling Plate Improvement
  5. 02:56Castle Nut Critique
  6. 03:15CMMG Zero Line Furniture
  7. 03:44Ambi Safety Features
  8. 03:57Polymer Dust Cover
  9. 04:07Ambi Mag Release
  10. 04:19New Handguard Design
  11. 04:47Night Performance
  12. 05:30Subsonic Ammunition
  13. 05:48Accuracy Testing
  14. 06:47Shooting Conditions
  15. 07:33300 Blackout Versatility
  16. 08:24Ammunition Spectrum Testing
  17. 09:34125 Grain Ammunition Test
  18. 10:12150 Grain Ammunition Test
  19. 10:35220 Grain Subsonic Test
  20. 11:10Ammunition Stabilization
  21. 11:24Modularity: Shell Deflector
  22. 11:43Critique 1: Handguard Rail Space
  23. 13:10Critique 2: Gassing Issues & Suppressors
  24. 13:46Critique 3: Adjustable Gas Block
  25. 14:47Critique 4: Forward Assist
  26. 15:11Forward Assist Functionality
  27. 15:51Reason for Replacement Rifle
  28. 16:15Evolution of 300 Blackout
  29. 16:39Conclusion: CMMG's Excellent Rifle

Frequently Asked Questions

What are the key improvements in CMMG's latest rifle line?

CMMG has introduced a forged sling plate for enhanced durability, new Zero line furniture with improved ergonomics, and an ambidextrous safety with multiple activation options. The handguard also features weight-reduction cuts and integrated geometry for better accessory compatibility.

What are the main criticisms of the new CMMG rifle?

The primary critiques include the lack of a full top Picatinny rail on the handguard, making accessory mounting difficult. Additionally, the absence of an adjustable gas block is noted as a significant oversight for a versatile caliber like 300 Blackout, and the rifle also lacks a forward assist.

How does the CMMG rifle perform with different 300 Blackout ammunition types?

The rifle demonstrated good performance with various 300 Blackout loads, including 125-grain, 150-grain, and 220-grain subsonic rounds. Accuracy testing showed promising results, particularly with the 150-grain ammunition, and the rifle handled well at night with minimal gas blowback.

What is the significance of the forged sling plate on the new CMMG rifle?

The forged sling plate is a major upgrade over traditional polymer or aluminum sling attachments. It provides a robust and reliable point for attaching a sling, preventing the common issues of breakage or stripping that can occur with less durable materials.

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