Does Subsonic .223 Have It's Place? .223 Silent Strike 110gr Subsonic Gel Test

Published on October 25, 2019
Duration: 7:14

This video tests 110-grain subsonic .223 ammunition, evaluating its terminal performance and reliability. The test reveals that while the ammunition is subsonic from a 16-inch barrel, it did not reliably cycle the action of the AR-15, requiring manual cycling. Terminal ballistics showed significant yawing and a total penetration of 19.5 inches in ballistic gelatin, with initial disruption around 3 inches. The presenter suggests limited practical application for typical users, comparing its niche utility to subsonic 300 Blackout.

Quick Summary

110-grain is a very heavy bullet weight for .223 caliber, with standard rounds being 55-62 grains. While 110-grain subsonic .223 can be subsonic from a 16-inch barrel, it often fails to reliably cycle an AR-15 action, requiring manual cycling. Terminal ballistics show significant yawing and 19.5 inches of penetration in gel, with limited practical use beyond niche applications.

Chapters

  1. 00:02Introduction: Testing Subsonic .223
  2. 00:35Testing Setup: 16-inch Barrel & Gelatin
  3. 01:29First Shot Observation
  4. 01:35Expected Terminal Performance
  5. 02:09Bullet Stability and Penetration
  6. 02:23Bullet Condition After Test
  7. 02:50Gelatin Disruption Analysis
  8. 03:33Subsonic Confirmation & Reliability Issues
  9. 04:02Criticism of Subsonic .223 vs .22LR
  10. 04:12Terminal Effectiveness Theory
  11. 04:43Practical Application Discussion
  12. 05:32Noise Considerations for Hunting
  13. 05:59Potential Uses: Steel & Small Game
  14. 06:24Conclusion & Viewer Disagreement

Frequently Asked Questions

Is 110-grain ammunition considered standard for .223 caliber?

No, 110-grain is considered a very heavy bullet weight for .223 caliber. Standard weights are typically 55 or 62 grains, with 75-77 grain considered heavy match rounds. 110-grain is at the extreme upper limit of what's possible for .223.

Does 110-grain .223 ammunition cycle reliably in an AR-15?

In testing, 110-grain subsonic .223 ammunition did not reliably cycle the action of the AR-15 rifle. The rifle required manual cycling of the bolt carrier group after each shot, indicating a potential reliability issue.

What are the terminal ballistics of 110-grain subsonic .223 in ballistic gelatin?

The 110-grain subsonic .223 ammunition penetrated 19.5 inches in 10% ballistic gelatin. It exhibited significant yawing and tumbling, creating a wider path through the medium, with initial disruption observed around 3 inches from entry.

What is the practical use for subsonic .223 ammunition?

The practical applications for subsonic .223 are limited, similar to subsonic 300 Blackout. It's best suited for discrete pest control, disabling equipment, or potentially shooting steel at close range if it cycles reliably. It's not generally recommended for self-defense or hunting.

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