Quarter Circle 10 45 AUTO Caliber Carbine

Published on September 3, 2018
Duration: 8:48

This video provides an in-depth review of a custom Quarter Circle 10 (QC10) 45 Auto caliber carbine. The presenter highlights its blowback operation, compatibility with Glock magazines, and custom components like a 14.5-inch barrel and Centurion C4 handguard. The review emphasizes the firearm's manageable recoil, accuracy, and reliability, positioning it as a top-tier pistol caliber carbine option.

Quick Summary

The Quarter Circle 10 45 Auto caliber carbine is a blowback-operated firearm designed to accept standard Glock magazines for both 45 Auto and 10mm. This custom build features a 14.5-inch barrel, Centurion C4 handguard, and a Vltor buffer assembly with a heavier buffer for optimal performance.

Chapters

  1. 00:06Introduction to QC10 45 Auto Carbine
  2. 00:12Caliber and Operation
  3. 00:26Magazine Compatibility (Glock)
  4. 01:12Custom Build Components
  5. 01:25Stock and Buffer Assembly
  6. 01:50Upper Receiver Details
  7. 02:00Trigger and Barrel
  8. 02:16Flash Suppressor and Handguard
  9. 02:31Rail Protector Covers
  10. 02:45Internal Bolt Mechanism
  11. 03:03Lower Receiver Features
  12. 03:25Bolt Catch Reliability Discussion
  13. 03:50Magazine Well Design
  14. 04:21Range Test and Firing
  15. 07:03Performance and Reliability Review
  16. 07:23Recoil and Accuracy Assessment
  17. 07:41Value Proposition and Customization
  18. 07:55Manufacturer Capabilities
  19. 08:09QC10's Impact on Pistol Caliber Carbines
  20. 08:35Conclusion and Call to Action

Frequently Asked Questions

What caliber is the Quarter Circle 10 carbine reviewed?

The Quarter Circle 10 carbine featured in this review is chambered in 45 Auto caliber. It is designed to be a pistol caliber carbine, offering a unique shooting experience.

What type of magazines does the Quarter Circle 10 45 Auto carbine use?

This Quarter Circle 10 45 Auto carbine is designed to accept standard Glock magazines. It is compatible with both 45 Auto and 10mm Glock magazines, offering versatility.

What is the operating system of the Quarter Circle 10 45 Auto carbine?

The Quarter Circle 10 45 Auto carbine operates using a blowback system. This is a common and reliable method for pistol caliber carbines.

What are some of the custom components on this Quarter Circle 10 carbine?

This custom build includes a 14.5-inch barrel, a custom flash suppressor for 45 caliber, a Centurion C4 handguard, and Magpul rail protector covers, among other components.

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