8.6 Blackout AR-10 - An Insanely Satisfying Subsonic round with crazy rotational energy

Published on January 29, 2024
Duration: 16:08

Micah Mayfield provides an expert review of the 8.6 Blackout AR-10, focusing on the Faxon Sentinel. He details its subsonic performance, unique technical specifications like the 1:3 twist rate, and compares it to other calibers. While acknowledging the high cost and niche nature, Mayfield highlights the exceptional fun factor and rotational energy of this platform.

Quick Summary

The 8.6 Blackout AR-10, particularly the Faxon Sentinel, offers a unique subsonic shooting experience with high rotational energy. Key features include a 12.5-inch barrel, a 1:3 twist rate for heavy projectiles, and significant impact authority, though ammunition costs around $4/round and the rifle MSRP is ~$2100.

Chapters

  1. 00:00Introduction to 8.6 Blackout AR-10
  2. 02:10Faxon Firearms & Sentinel Overview
  3. 05:24Caliber Comparison Test
  4. 08:04Faxon Sentinel Technical Deep Dive
  5. 11:00Final Assessment & Value

Frequently Asked Questions

What makes the 8.6 Blackout cartridge unique in an AR-10 platform?

The 8.6 Blackout is designed for subsonic performance and significant rotational energy, requiring specific barrel twists like 1:3 to stabilize heavy projectiles. It offers a distinct sound signature and impact authority, making it a fun niche round.

What are the key technical specifications of the Faxon Sentinel in 8.6 Blackout?

The Faxon Sentinel features a 12.5-inch barrel, a 1:3 twist rate crucial for stabilizing 285-grain projectiles, and a gas block positioned very close to the chamber. It utilizes standard .308/AR-10 magazine compatibility.

How does the 8.6 Blackout compare to other AR calibers like 5.56 NATO or 300 Blackout?

In tests focusing on sound and impact, the 8.6 Blackout demonstrated greater authority on steel targets compared to 5.56 NATO and 300 Blackout, while maintaining subsonic characteristics and a unique sound signature.

What is the approximate cost and value proposition of the 8.6 Blackout AR-10?

The 8.6 Blackout AR-10, like the Faxon Sentinel, is a niche platform with an MSRP around $2100. Ammunition costs approximately $4 per round, making it an expensive but exceptionally satisfying shooting experience.

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