The Marine Corps' New Hotness: Mk318 Mod1

Published on September 14, 2018
Duration: 6:43

This video provides an expert-level analysis of the Mk318 Mod1 5.56mm round through ballistic gel testing. The instructor, demonstrating significant expertise in terminal ballistics, details penetration depths, temporary cavity formation, and fragmentation characteristics. The Mk318 Mod1 is assessed for its suitability in both military applications and civilian home defense scenarios, with a focus on its terminal performance versus potential over-penetration risks.

Quick Summary

The Mk318 Mod1 5.56mm round demonstrates excellent terminal ballistics with over 29 inches of penetration and an 11x3 inch temporary cavity in ballistic gel. While suitable for defensive use, its deep penetration may be a concern for civilian home defense compared to FBI 18-inch penetration guidelines.

Chapters

  1. 00:05Mk318 Mod1 5.56mm Ballistic Gel Testing
  2. 00:35Test Setup and Barrel Length
  3. 01:18First Gel Test Results
  4. 02:18Fragment Analysis
  5. 02:53Second Gel Test and Penetration
  6. 03:55Performance Summary and Implications
  7. 04:05Home Defense vs. Military Use
  8. 05:16Suitability for Defensive Use
  9. 05:55Call to Action

Frequently Asked Questions

What are the key terminal ballistics characteristics of the Mk318 Mod1 5.56mm round?

The Mk318 Mod1 5.56mm round exhibits deep penetration (over 29 inches in gel), a large temporary cavity (11x3 inches), and minimal fragmentation. It's designed for significant tissue disruption and effectiveness in military engagements.

Is Mk318 Mod1 5.56mm suitable for civilian home defense?

Yes, Mk318 Mod1 is considered suitable for defensive use. However, its deep penetration might exceed FBI recommendations for home defense, raising concerns about over-penetration if unintended targets are a significant worry.

How does barrel length affect Mk318 Mod1 performance?

Testing from a 10.5-inch barrel showed robust performance. The instructor suggests that if it performs well from a short barrel, it should perform comparably or better with longer barrels, indicating versatility.

What was observed during the Mk318 Mod1 ballistic gel testing?

Testing showed over 29 inches of penetration, a large temporary cavity, minimal fragmentation, and bouncing off soft armor. A second shot achieved 25 inches of penetration with the bullet base recovered.

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