Flex Seal In A Hollow Point

Published on April 3, 2021
Duration: 14:40

This experiment tests the effectiveness of filling hollow point bullet cavities with Flex Seal liquid rubber to improve expansion through barriers. Results show that the Flex Seal modification surprisingly aids consistent expansion through soft barriers like heavy clothing, with the rubber dispersing into fragments. While successful in many tests, hard barriers like plywood still posed challenges for expansion.

Quick Summary

Filling hollow point bullet cavities with Flex Seal liquid rubber can improve consistent expansion through soft barriers like heavy clothing. In tests, modified 9mm rounds performed similarly to bare gel tests after passing through four layers of clothing, with the Flex Seal dispersing into fragments.

Chapters

  1. 00:00Hollow Point Clogging Issues Explained
  2. 01:01The Flex Seal Bullet Experiment Begins
  3. 02:08Accuracy and Cycling Test of Modified Rounds
  4. 02:40Bare Ballistics Gel Testing Results
  5. 05:54Heavy Clothing Barrier Test Performance
  6. 07:55Large Caliber Flex Seal Testing (.44 Mag, .45 ACP)
  7. 10:44Hard Barrier (Plywood) Test Failure
  8. 13:24Conclusion: Flex Seal Effectiveness & Projectile Recovery

Frequently Asked Questions

Can Flex Seal be used to modify hollow point bullets for better performance?

Yes, this experiment shows that filling hollow point cavities with Flex Seal liquid rubber can surprisingly improve consistent expansion, especially through soft barriers like heavy clothing. The rubber disperses into fragments upon impact.

How did Flex Seal modified hollow points perform in ballistics gel tests?

In bare ballistics gel tests, 9mm Corbon DPX rounds filled with Flex Seal expanded perfectly, with the rubber dispersing into fragments. This suggests the modification aids in reliable expansion.

Does Flex Seal improve hollow point performance through heavy clothing barriers?

The test demonstrated that 9mm Corbon DPX rounds modified with Flex Seal performed nearly identically to bare gel tests when shot through four layers of heavy clothing, indicating significant improvement.

What were the results of testing Flex Seal modified bullets through hard barriers?

When a 9mm Flex Seal modified round was shot through 3/4 inch plywood into gel, it failed to expand and tumbled. This suggests hard barriers negate the benefits of the Flex Seal modification.

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