I Tested 2 Primers, These Results Shocked Me!

Published on April 1, 2026
Duration: 5:30

This video demonstrates the significant impact of primer choice on reloading results. By switching from Remington Gold primers to Federal 210 primers, the presenter observed a notable increase in average velocity and a decrease in standard deviation, even with identical other load components. The test highlights how primer selection can affect accuracy and point of impact.

Quick Summary

Changing primers in handloaded ammunition can significantly affect performance. In one test, switching from Remington Gold to Federal 210 primers increased average velocity by approximately 30 ft/s and decreased standard deviation by 6 ft/s, also causing a shift in point of impact.

Chapters

  1. 00:00Introduction: Unexpected Results
  2. 00:09Testing Different Primers for Reloading
  3. 00:14Previous Experience with Remington Gold Primers
  4. 00:3820-Shot Group Test Setup
  5. 01:14Rifle Setup and Chronograph
  6. 01:26Old Load: Remington Gold Primer
  7. 01:28New Load: Federal 210 Primer
  8. 02:02Rifle Cooled Down
  9. 02:15Shooting the 20-Shot Group
  10. 02:31Velocity Observation
  11. 02:53All 20 Shots Results
  12. 03:04Average Velocity Data
  13. 03:22Impact of Primer Change on Velocity and SD
  14. 03:43Group Analysis and Point of Impact Shift
  15. 04:31Significance of 20-Shot Testing
  16. 04:47Discussion: Primer Impact on Ammo Consistency
  17. 05:14Conclusion and Viewer Engagement

Frequently Asked Questions

How much can changing primers affect handloaded ammunition performance?

Changing primers can significantly impact handloaded ammunition. In this test, switching from Remington Gold to Federal 210 primers increased average velocity by about 30 ft/s and decreased standard deviation by 6 ft/s, while also shifting the point of impact.

What is the importance of primer selection in reloading?

Primer selection is crucial in reloading as it directly influences velocity consistency and accuracy. Different primers can lead to variations in muzzle velocity and standard deviation, affecting overall ballistic performance and point of impact.

Can different primers cause a shift in point of impact?

Yes, different primers can cause a shift in the point of impact. Even when all other reloading components and procedures are identical, a change in primer can alter the ignition characteristics and pressure curve, leading to a different point of impact on target.

What is the recommended minimum number of shots for testing primer changes in reloading?

A minimum of 20 shots is recommended when testing significant changes in reloading components, such as different primers. This sample size helps to establish reliable average velocities and standard deviations, providing a more accurate picture of the component's performance.

Related News

All News →

More Training & Techniques Videos You Might Like

More from Ballistics Lab

View all →