C39V2 1100rds Later - Bolt Burr...Can you feel it?!

Published on August 6, 2017
Duration: 11:46

This video provides an in-depth review of the C39V2 rifle after 1100 rounds, focusing on wear patterns and performance. The hosts detail issues with the original stock, significant heat buildup in the handguard, and the development of a burr on the bolt carrier. Despite these concerns, the rifle demonstrated reliability during a sand test and maintained good headspace.

Quick Summary

After 1100 rounds, the C39V2 rifle exhibits notable wear, including a palpable burr on the bolt carrier channel and locking lugs digging into the receiver. Heat management is a significant issue, with the handguard reaching over 450°F after minimal firing. Despite these concerns, the rifle passed a sand test and maintained safe headspace.

Chapters

  1. 00:09Introduction & Round Count
  2. 00:35Magazine Dump Performance
  3. 01:01Trigger Group Assessment
  4. 01:31Stock Replacement & Issues
  5. 02:13Heat Management Problems
  6. 03:28Sand Tornado Test Results
  7. 05:00Internal Inspection: Bolt Carrier & Bolt
  8. 06:46Bolt Face & Locking Lug Wear
  9. 07:11Concerns with Locking Lug Shape
  10. 08:21Trigger Group & Receiver Marks
  11. 09:09Continued Observation of Wear
  12. 09:46Gas Block & Muzzle Brake
  13. 10:42Headspace Check
  14. 11:16Future Testing Plans

Frequently Asked Questions

What are the main wear concerns with the C39V2 after 1100 rounds?

After 1100 rounds, the C39V2 shows significant wear on the bolt carrier, including a palpable burr on the channel and wear on the piston head. Additionally, the locking lugs are digging into the receiver, creating a step.

How does the C39V2 handle heat after extended firing?

The C39V2 experiences extreme heat buildup. After just 3-4 magazines, the handguard can reach over 450°F, making it unsafe to touch without gloves. The receiver area also becomes hot.

Did the C39V2 pass a sand test?

Yes, the C39V2 passed a sand test. It initially failed to feed after 8 rounds but performed flawlessly for the remaining 22 rounds after a cleaning, demonstrating resilience to debris.

Are there any safety concerns with the C39V2 after 1100 rounds?

Despite wear on the bolt and receiver, a headspace check confirmed the C39V2's headspace remains within safe limits, indicating it is still safe to operate. However, extreme heat necessitates glove use.

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