WET PAPER VS DRY PAPER - which one can stop a bullet better?

Published on March 17, 2017
Duration: 3:59

This video tests the ballistic penetration of wet versus dry foam books using a 9mm Glock 19. The dry foam books stopped the bullet after 10 units and one thicker unit, while the wet foam books allowed the bullet to penetrate through 10 units and into the third thicker unit. The results suggest that soaking the media made it less effective at stopping the projectile.

Quick Summary

In a ballistic test, dry foam books stopped a 9mm FMJ round after 10 thinner units and 1 thicker unit. However, wet foam books were less effective, allowing the bullet to penetrate through 10 thinner units and into the third thicker unit, suggesting water softens the media.

Chapters

  1. 00:00Introduction: Testing Foam Books
  2. 00:05Setup: Dry Foam Books
  3. 00:23Firearm and Ammunition Used
  4. 00:30Shooting Dry Foam Books
  5. 00:46Results: Dry Foam Books
  6. 01:15Setup: Wet Foam Books
  7. 01:43Shooting Wet Foam Books
  8. 02:00Results: Wet Foam Books
  9. 02:17Comparison: Dry vs. Wet Results
  10. 02:33Analysis of Unexpected Results
  11. 03:08Conclusion and Viewer Engagement

Frequently Asked Questions

Does soaking foam books in water make them better at stopping bullets?

No, this test showed the opposite. Wet foam books were less effective at stopping a 9mm bullet than dry foam books. The water seemed to make the media softer, allowing for greater penetration.

What firearm and ammunition were used in the foam book penetration test?

The test utilized a Glock 19 pistol firing 115-grain Full Metal Jacket (FMJ) ammunition. This standard 9mm setup was used for both dry and wet foam book comparisons.

How many foam books did it take to stop a 9mm bullet when dry?

When the foam books were dry, a 9mm FMJ round penetrated through 10 thinner foam books and was stopped by the first thicker foam book.

How many foam books did it take to stop a 9mm bullet when wet?

When the foam books were soaked in water, the same 9mm FMJ round penetrated through 10 thinner foam books and continued into the third thicker foam book before stopping.

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