M-16 Obsidian Bolt Carrier Group

Published on May 12, 2014
Duration: 12:17

This review focuses on the TR Enabling Obsidian M16 Bolt Carrier Group, highlighting its unique nickel-based coating impregnated with Teflon. The presenter emphasizes the exceptional smoothness, low friction coefficient (0.006), and ease of cleaning compared to standard phosphate BCGs. Key features include hand-polished guide rails, an M16-style full shroud, and materials like 8620 alloy steel for the carrier and Carpenter 158 steel for the bolt, which is MPI inspected and shot peened. The BCG is also noted for its self-lubricating properties, allowing for function with minimal lubrication.

Quick Summary

The TR Enabling Obsidian M16 Bolt Carrier Group features a unique nickel-based coating impregnated with Teflon, offering an exceptionally slick surface with a low coefficient of friction (0.006). This design significantly eases cleaning by preventing carbon adherence and allows for reliable function with minimal lubrication, making it a high-performance upgrade for AR-15 platforms.

Chapters

  1. 00:38Importance of Bolt Carrier Group
  2. 00:49Introducing the TR Enabling Obsidian BCG
  3. 01:01Comparison of BCG Finishes (Phosphate, Nickel Boron)
  4. 01:48Obsidian Coating: Nickel-Teflon Impregnation
  5. 02:22Obsidian Finish: Zero Resistance
  6. 02:49Coefficient of Friction (0.006)
  7. 03:10M16 vs. AR-15 Bolt Carrier Group Design
  8. 03:41Ease of Cleaning Advantage
  9. 04:07Phosphate vs. Coated BCG Carbon Adherence
  10. 04:47Self-Lubricating Properties
  11. 05:37Hand-Polished Guide Rails
  12. 05:55Materials: 8620 Alloy Steel & Carpenter 158 Steel
  13. 06:01MPI & Shot Peening Inspection
  14. 06:33Included XF7 Light Grease
  15. 06:47Machined Billet Steel Gas Key
  16. 06:53Disassembly and Initial Cleaning Observation
  17. 07:10Chrome Plated Firing Pin
  18. 07:30Bolt Teflon Finish Observation
  19. 07:46Interior BCG Coating
  20. 07:54Packaging and Presentation
  21. 08:11TR Enabling Company Background (US Marines)
  22. 08:46Other TR Enabling Products (Coatings, Barrels, Lowers)
  23. 09:09Pairing with Deceptus Rifle
  24. 10:01TR Enabling Lower Parts Kit Review
  25. 10:13Micro-Polished Engagement Surfaces (Hammer/Trigger)
  26. 10:46Price of Obsidian BCG ($219)
  27. 10:57BCG as the Heart of the Rifle
  28. 11:15All Parts Made in USA

Frequently Asked Questions

What makes the TR Enabling Obsidian Bolt Carrier Group unique?

The TR Enabling Obsidian BCG is unique due to its nickel-based coating impregnated with Teflon. This provides an exceptionally slick surface with a very low coefficient of friction (0.006), making it incredibly easy to clean and reducing the need for extensive lubrication.

How does the Obsidian BCG compare to standard phosphate BCGs?

Compared to standard phosphate BCGs, the Obsidian BCG offers superior smoothness, significantly reduced friction, and much easier cleaning. Phosphate BCGs tend to hold carbon more readily, requiring more effort to clean, whereas the Obsidian's coating prevents adherence.

What materials are used in the TR Enabling Obsidian BCG?

The carrier is made from 8620 alloy steel, and the bolt is constructed from Carpenter 158 steel. The bolt is also Magnetic Particle Inspected (MPI) and shot peened for enhanced durability and reliability.

Is the TR Enabling Obsidian BCG self-lubricating?

Yes, the Obsidian BCG is designed with self-lubricating properties due to its advanced coating. While lubrication is still recommended, it can function reliably with minimal lubricant, unlike traditional BCGs that can become sluggish when dry or gummed up.

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