Ballistician Teaches How To Make Ballistic Gel at Home

Published on August 3, 2025
Duration: 14:14

This guide details how to create ballistic gel blocks at home, focusing on a 20% gelatin to water ratio. It covers mold construction, ingredient calculations, proper blooming and heating techniques to avoid denaturing the gelatin, pouring methods to minimize air bubbles, and essential calibration steps using a BB. The process emphasizes consistency for reliable projectile testing, even in a home environment.

Quick Summary

To make ballistic gel at home, construct a sealed cardboard mold, calculate a 20% gelatin to 80% water ratio, bloom the gelatin in distilled water for several hours, then gently heat the mixture to around 105°F while stirring. Pour slowly into the mold and refrigerate for at least 8 hours. Calibrate by firing a BB from 15 feet; it should penetrate 3-4 inches.

Chapters

  1. 00:00Introduction & Video Overview
  2. 00:48Choosing Gel Percentage & Dimensions
  3. 01:36Making the Mold
  4. 03:00Calculating Gelatin and Water Ratios
  5. 03:57Preparing the Gel Mixture
  6. 06:34Blooming the Gelatin
  7. 08:14Heating the Gel to Temperature
  8. 10:22Pouring the Gel into the Mold
  9. 11:48Setting and Refrigeration
  10. 12:42Calibrating the Gel Block
  11. 13:45Conclusion & Next Steps

Frequently Asked Questions

What is the recommended gelatin percentage for DIY ballistic gel?

Common percentages for ballistic gel are 10% (FBI standard) and 20%. A 20% concentration, meaning 20% gelatin to 80% water by volume, creates a denser gel block suitable for more rigorous testing.

How do you properly heat ballistic gel without ruining it?

Ballistic gel should be heated gently to around 105°F (38°C), avoiding boiling. Continuous mixing is essential to maintain an even temperature and prevent the gelatin proteins from denaturing, which would prevent it from setting correctly.

What is the purpose of 'blooming' ballistic gel?

Blooming involves allowing the gelatin to absorb water before heating. This process is crucial, especially for higher concentrations like 20%, as it ensures the gelatin fully hydrates, leading to a smoother, more consistent mixture and preventing clumps.

How can you calibrate a homemade ballistic gel block?

To calibrate a ballistic gel block, fire a BB from approximately 15 feet. A properly calibrated block will allow the BB to penetrate about 3 to 4 inches, indicating the gel is at the correct temperature and consistency for testing.

More Gunsmithing & DIY Videos You Might Like

More from Boondock Ballistician

View all →