Enhanced AR10 Bolt Carriers - Part 2

Published on August 9, 2018
Duration: 16:01

This video provides an in-depth review of enhanced bolt carrier groups for the AR-10 platform, focusing on improvements over standard designs. It highlights features like high-pressure bolt compatibility for cartridges like 6.5 Creedmoor, dual ejectors for improved extraction, captive firing pin retaining pins, and various advanced finishes. The presenter, an experienced firearms instructor, details specific models from manufacturers such as LMT, Faxon, JP Enterprises, Armalite, Young Manufacturing, POF USA, and Land-Tac, discussing their unique enhancements, materials, and MSRPs.

Quick Summary

Enhanced AR-10 bolt carriers offer improved reliability for higher pressure cartridges like 6.5 Creedmoor, featuring designs like high-pressure bolts, dual ejectors for better extraction, and captive firing pin retaining pins. Advanced finishes such as chrome, nickel boron, and nitride enhance durability and ease of cleaning.

Chapters

  1. 00:01Introduction to AR-10 Enhanced Bolt Carriers
  2. 00:42High-Pressure Bolts and Cartridge Considerations
  3. 01:33Bolt Materials and Finishes
  4. 01:59LMT Enhanced Bolt Carrier Review
  5. 03:54Faxon Firearms Bolt Carrier Review
  6. 04:54Rubber City Armory Bolt Carrier with Adjustable Gas Key
  7. 06:06JP Enterprises Bolt Carrier Review
  8. 08:09Armalite Standard Bolt Carrier
  9. 08:47Young Manufacturing Bolt Carrier Group
  10. 10:24POF USA Bolt Carrier Group Review
  11. 12:30Land-Tac Bolt Carrier Group Review
  12. 13:30Land-Tac Cam Pin and Materials
  13. 14:33Gemtech 2-Valve Suppressed Bolt Carrier (Discontinued)
  14. 15:30Conclusion and Part 3 Preview

Frequently Asked Questions

What are the main advantages of enhanced AR-10 bolt carriers?

Enhanced AR-10 bolt carriers offer improved reliability, especially with higher pressure cartridges like 6.5 Creedmoor. Key features include high-pressure bolt designs, dual ejectors for better extraction, captive firing pin retaining pins, and advanced finishes for durability and easier cleaning.

How do high-pressure bolts differ from standard AR-10 bolts?

High-pressure bolts and their corresponding carriers feature a modified firing pin shape and a different firing pin opening on the breech face. This design is specifically engineered to safely handle the increased pressures generated by cartridges like 6.5 Creedmoor, preventing issues such as blown primers.

Why are dual ejectors important in AR-10 bolt carriers?

Dual ejectors are crucial for AR-10 bolt carriers, particularly in systems with shorter barrels or higher bolt velocities. They ensure more consistent and forceful ejection of spent casings from the receiver, preventing extraction failures that can occur with a single ejector under rapid firing conditions.

Which AR-10 bolt carriers are recommended for suppressed shooting?

For suppressed shooting, the POF USA bolt carrier with its solid, pinned gas key and roller cam is recommended for minimizing gas leakage. The Land-Tac bolt carrier's forward gas venting also helps direct gas away from the shooter's face. The discontinued Gemtech 2-valve carrier was also highly effective.

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