How Different Brands of Ammunition Affect Accuracy Presented by Larry Potterfield of MidwayUSA

Published on March 20, 2009
Duration: 1:25

This video demonstrates that ammunition brand significantly impacts rifle accuracy, with no single brand being universally superior. Larry Potterfield of MidwayUSA explains that variations in cases, primers, powder, bullets, and overall length cause these differences. The only reliable method to find the best-performing ammunition for a specific rifle is through direct range testing and consistent use of the identified optimal load.

Quick Summary

The best way to find accurate ammunition for your rifle is through range testing. Different brands vary in cases, primers, powder, bullets, and overall length, affecting how they perform in your specific firearm. Consistent results are achieved by identifying and sticking with the ammunition that yields the tightest groups.

Chapters

  1. 00:00Introduction: Ammo & Accuracy
  2. 00:15Ammunition Differences Explained
  3. 00:32Cartridge Length & Rifling Impact
  4. 00:54Range Testing for Best Accuracy
  5. 01:12Conclusion: Stick with What Works

Frequently Asked Questions

Why does different ammunition affect rifle accuracy?

Ammunition brands vary in their cases, primers, powder charge, bullet construction, and overall length. These internal differences interact uniquely with a specific rifle's barrel and chamber dimensions, influencing how consistently the bullet travels.

What is the best way to find accurate ammunition for my rifle?

The most effective method is to conduct range testing. Shoot groups with several different brands and types of ammunition known for quality. Compare the resulting shot groups to determine which ammunition provides the best accuracy for your specific firearm.

Should I use different ammunition types for different rifles?

Yes, absolutely. A particular brand or load that performs exceptionally well in one rifle may not be as accurate in another, even if they are the same model. Each rifle-barrel combination is unique, requiring individual testing to find optimal ammunition.

What factors influence ammunition accuracy besides the brand?

Key factors include the cartridge's overall length, how the bullet engages the rifling upon firing, and the consistency of the internal components like powder and bullet weight. The rifle's specific chamber and barrel dimensions also play a crucial role.

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