Speer Gold Dot 147gr 9mm Discussion

Published on September 6, 2011
Duration: 4:33

This video discusses the performance of Speer Gold Dot 147gr 9mm ammunition for defensive carry. Informal testing in water jugs demonstrated impressive expansion and nearly 100% weight retention, with penetration exceeding 12 inches. The speaker also highlights the importance of cycling carry ammunition due to potential degradation and primer contamination from cleaning solvents.

Quick Summary

Speer Gold Dot 147gr 9mm ammunition demonstrated excellent performance in informal water jug testing, achieving over .50 caliber expansion and retaining nearly 100% of its weight with over 12 inches of penetration. It's vital to cycle carry ammunition regularly to prevent degradation and potential primer contamination from cleaning solvents.

Chapters

  1. 00:15Introduction & Ammunition Update
  2. 00:36Informal Ballistics Testing: Water Jugs
  3. 01:03Bullet Expansion Results
  4. 01:23Weight Retention Analysis
  5. 01:59Penetration Depth
  6. 02:05Ballistic Performance Factors
  7. 02:28Ammunition Acquisition & Price
  8. 02:48Importance of Cycling Carry Ammunition
  9. 03:03Risks of Ammunition Degradation & Setback
  10. 03:27Primer Contamination from Cleaning Solvents
  11. 03:43Q&A and Social Media

Frequently Asked Questions

How did Speer Gold Dot 147gr 9mm ammunition perform in informal testing?

In informal tests using water jugs, Speer Gold Dot 147gr 9mm ammunition showed impressive expansion, increasing from .356 inches to over .50 caliber. It also retained nearly 100% of its weight and achieved over 12 inches of penetration.

What are the key considerations for carrying defensive ammunition?

It's crucial to regularly cycle your carry ammunition to prevent degradation and potential issues like bullet setback from chambering. Additionally, be mindful of cleaning solvents potentially contaminating primer pockets, which can cause misfires.

Can factors other than water affect bullet expansion?

Yes, while water testing provides a baseline, factors like hitting denim, bone, or other barriers can significantly alter a bullet's expansion and overall ballistic performance. These real-world scenarios can impact how reliably a round performs.

Why is it important to practice with your carry ammunition?

Practicing with your carry ammunition allows you to gauge how your firearm performs with that specific load. It also ensures you are cycling through older ammunition, keeping fresh rounds in your magazines and familiarizing yourself with the recoil and handling characteristics.

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