Gun of the Week: CMMG Mk4 RCE

Published on June 23, 2014
Duration: 2:57

The CMMG Mk4 RCE is presented as a premier AR-15 style rifle featuring a 16-inch medium profile barrel, available in 5.56 NATO and 300 AAC Blackout. It boasts a proprietary SV muzzle brake, RKM14 KeyMod handguard for extensive customization, a Geissele SSA two-stage trigger, and Magpul MOE furniture. The KeyMod system offers a clean, user-friendly method for attaching accessories without the bulk of traditional rails, enhancing ergonomics and reducing snag points. The rifle demonstrated reliable function and good accuracy during testing, making it suitable for defensive use, training, or competition.

Quick Summary

The CMMG Mk4 RCE is a premier AR-15 style rifle featuring a 16-inch 416 stainless steel barrel, a customizable KeyMod handguard, a Geissele SSA two-stage trigger, and Magpul MOE furniture. Available in 5.56 NATO and 300 AAC Blackout, its KeyMod system offers ergonomic benefits and easy accessory mounting. The rifle proved reliable and accurate in testing, suitable for defense, training, or competition.

Chapters

  1. 00:00Introduction to CMMG Mk4 RCE
  2. 00:16Rifle Features and Calibers
  3. 00:30KeyMod Handguard and Customization
  4. 00:38Standard Components: Trigger and Furniture
  5. 00:49Focus on the KeyMod Forend
  6. 00:53KeyMod System Advantages
  7. 00:58Accessory Mounting with KeyMod
  8. 00:70KeyMod for AR-15 Style Rifles
  9. 00:78Ergonomics of KeyMod Offhand
  10. 00:82Forend Grip and Ventilation
  11. 00:95Rapid Fire Considerations
  12. 01:03Function Testing and Reliability
  13. 01:13Feeding, Firing, and Extraction
  14. 01:18Brass Ejection and Handloading
  15. 01:27Suitability for Defense, Training, Competition
  16. 01:37MSRP and Value Proposition
  17. 01:42Component Highlights: Furniture and Trigger
  18. 01:51Overall Build Quality and Longevity
  19. 01:57Balance and Versatility
  20. 02:05Conclusion and Further Information

Frequently Asked Questions

What are the key features of the CMMG Mk4 RCE rifle?

The CMMG Mk4 RCE features a 16-inch 416 stainless steel barrel, a KeyMod handguard for accessory customization, a Geissele SSA two-stage trigger, and Magpul MOE furniture. It's available in 5.56 NATO and 300 AAC Blackout.

What are the advantages of the KeyMod handguard on the CMMG Mk4 RCE?

The KeyMod system allows for precise attachment of accessories without the bulk of traditional rails, offering a cleaner grip, reduced snag points, and easier customization with minimal tools. It also enhances comfort when shooting offhand.

What calibers is the CMMG Mk4 RCE available in?

The CMMG Mk4 RCE is offered in two popular calibers: 5.56 NATO and 300 AAC Blackout, providing versatility for different shooting applications.

How does the CMMG Mk4 RCE perform during shooting tests?

During testing, the CMMG Mk4 RCE demonstrated reliable function with no glitches over numerous magazines. All rounds fed, fired, and extracted without incident, and the rifle showed good accuracy, making it suitable for various uses.

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