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

Published on January 29, 2024
Duration: 16:08

The 8.6 Blackout AR-10, specifically the Faxon Sentinel, offers a highly satisfying subsonic shooting experience with significant rotational energy. Its 12.5-inch barrel features an aggressive 1:3 twist rate to stabilize heavy 285-grain projectiles, requiring adjustments for spin drift. While niche and expensive (MSRP ~$2100), its performance and Faxon's build quality are praised.

Quick Summary

The 8.6 Blackout AR-10, exemplified by the Faxon Sentinel, is a niche platform offering a satisfying subsonic shooting experience. Its 12.5-inch barrel requires an extreme 1:3 twist rate for heavy projectiles, generating significant rotational energy. However, ammunition costs around $4 per round, making it an expensive caliber to shoot regularly.

Chapters

  1. 00:00Introduction & Initial Shooting
  2. 02:108.6 Blackout Overview & Faxon Sentinel
  3. 05:24Caliber Comparison Test (5.56 vs 300 BLK vs 8.6 BLK)
  4. 08:04Faxon Sentinel Technical Specs & Mechanics
  5. 11:00Final Assessment & Value Proposition

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, utilizing heavy projectiles (like 285 grains) that require specialized barrels. The Faxon Sentinel features an extreme 1:3 twist rate to stabilize these rounds, offering significant rotational energy and a satisfying shooting experience.

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

The Faxon Sentinel in 8.6 Blackout boasts a 12.5-inch barrel with a 1:3 twist rate, essential for stabilizing heavy subsonic projectiles. It uses standard .308 / AR-10 magazines and has an MSRP of approximately $2100.

How does the 8.6 Blackout compare to other calibers like 5.56 and 300 Blackout?

In a non-scientific comparison, the 8.6 Blackout demonstrated more authority on steel targets, producing a distinct 'thump' and sound signature. While 5.56 and 300 Blackout are common, 8.6 Blackout offers a unique subsonic capability with high rotational energy.

Is the 8.6 Blackout AR-10 platform expensive to shoot?

Yes, the ammunition for 8.6 Blackout is notably expensive, costing around $4 per round. This high cost means shooters often adopt a more conservative approach to firing, making it a niche but enjoyable platform.

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