CMMG Mk3 6.5 Creedmoor: First Look

Published on June 8, 2017
Duration: 28:45

The CMMG Mk3 in 6.5 Creedmoor offers impressive accuracy and a soft-shooting experience, performing well at 600 yards. It features high-end components like a Geissele SSA trigger and Magpul PRS stock, making it a strong contender in the AR-10 platform for long-range applications. While 6.5 Creedmoor ammo is pricier than .308, its ballistic advantages justify the cost for precision shooting.

Quick Summary

The CMMG Mk3 6.5 Creedmoor rifle features a 24-inch stainless barrel, Geissele SSA trigger, and Magpul PRS stock. It demonstrated impressive accuracy, achieving 1.232" groups at 100 yards and maintaining 1 MOA at 600 yards, offering a soft-shooting experience with excellent ballistic performance.

Chapters

  1. 00:00Initial Range Testing & Accuracy
  2. 01:42Introducing the CMMG Mk3 6.5 Creedmoor
  3. 03:09Furniture and Trigger Specs
  4. 04:24Optics and Mounting System
  5. 05:30Ammunition and Magazines
  6. 07:08Accuracy and Ballistics Explained
  7. 09:37600-Yard Performance Test
  8. 11:49Final Impressions & Soft Shooting

Frequently Asked Questions

What are the key features of the CMMG Mk3 6.5 Creedmoor rifle?

The CMMG Mk3 6.5 Creedmoor features a 24-inch stainless steel barrel, CMMG RML15 rail, Magpul PRS Gen 3 stock, Magpul MOE grip, and a Geissele SSA trigger. It also includes a CMMG SV Muzzle Brake and is finished in Burnt Bronze Cerakote.

How accurate is the CMMG Mk3 6.5 Creedmoor at 100 yards?

Preliminary accuracy testing with Hornady BLACK 140gr BTHP ammunition yielded an average group size of 1.232 inches at 100 yards, demonstrating good inherent accuracy for the platform.

What are the ballistic advantages of 6.5 Creedmoor over .308 Winchester?

6.5 Creedmoor offers a higher ballistic coefficient, allowing it to buck wind better and maintain higher velocities at longer ranges compared to .308 Winchester, resulting in a flatter trajectory.

How did the CMMG Mk3 perform at 600 yards?

The rifle successfully engaged steel targets at 600 yards, maintaining roughly 1 MOA consistency even in windy conditions, showcasing the effectiveness of the 6.5 Creedmoor caliber for long-range shooting.

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