22lr Temperature Testing | Freezer to Hot Sun Temp Rounds Over Chronograph CCI Mini Mags

Published on October 19, 2024
Duration: 6:58

This video tests the performance of CCI Mini-Mag .22 LR ammunition across a range of temperatures, from a deep freeze to direct sunlight. The results indicate that colder temperatures generally led to tighter extreme spreads and lower standard deviations, with the hottest conditions producing the worst performance. The presenter notes this was unexpected and provides raw chronograph data for analysis.

Quick Summary

Testing of CCI Mini-Mag .22 LR ammunition revealed that colder temperatures generally lead to better performance. Ammunition stored in a deep freeze exhibited tighter extreme spreads and lower standard deviations compared to rounds kept at room temperature or in hot sun.

Chapters

  1. 00:10Introduction & Test Setup
  2. 00:31Ammunition: CCI Mini-Mags
  3. 00:37Temperature Zones: Hot Sun
  4. 00:54Temperature Zones: Room Temp
  5. 01:05Temperature Zones: Refrigerator
  6. 01:16Temperature Zones: Freezer
  7. 01:24Temperature Zones: Deep Freeze
  8. 02:00Testing Protocol
  9. 02:23Hot Rounds Chronograph Results
  10. 02:50Room Temperature Rounds Chronograph Results
  11. 04:03Refrigerator Rounds Chronograph Results
  12. 04:31Freezer Rounds Chronograph Results
  13. 04:51Deep Freeze Rounds Chronograph Results
  14. 05:14Data Analysis & Results
  15. 05:35Observed Performance Trends
  16. 06:15Unexpected Findings
  17. 06:30Viewer Engagement & Future Tests

Frequently Asked Questions

How does temperature affect .22 LR ammunition performance?

Testing showed that extreme temperatures, particularly high heat from direct sun, can negatively impact .22 LR ammunition consistency, leading to wider velocity spreads. Colder temperatures, down to deep freeze levels, generally resulted in tighter groups and more consistent velocities.

What are the key metrics for measuring ammunition temperature effects?

Key metrics include average velocity, extreme spread (the difference between the highest and lowest velocity shots), and standard deviation (a measure of how spread out the velocities are from the average). These help quantify the consistency of the ammunition's performance.

Which temperature conditions yielded the best performance for CCI Mini-Mag .22 LR?

Surprisingly, the coldest conditions, including the deep freeze, showed the tightest extreme spreads and lowest standard deviations for CCI Mini-Mag .22 LR. The hottest conditions, in direct sun, produced the widest extreme spread, indicating the least consistency.

Was there any unexpected outcome in the .22 LR temperature test?

Yes, the presenter found it peculiar that the colder ammunition performed better than the warmer ammunition. They expected the opposite, but the chronograph data indicated that colder temperatures led to more consistent velocities and tighter spreads.

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