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

Published on March 20, 2009
Duration: 1:25

Larry Potterfield of MidwayUSA explains that ammunition accuracy varies significantly between brands and even within the same rifle. He emphasizes that internal differences in cases, primers, powder, and bullets, along with overall cartridge length, impact performance. The only reliable method to find the best-performing ammunition for a specific rifle is through systematic range testing, shooting groups to identify the most accurate load for consistent results.

Quick Summary

To determine the most accurate ammunition for your rifle, conduct live-fire testing at a range. Shoot groups with various brands like Winchester, Remington, and Federal, as internal differences in components and overall length significantly impact performance. Consistently using the identified best-performing load ensures reliable accuracy.

Chapters

  1. 00:00Introduction to Ammunition Accuracy
  2. 00:15Ammunition Components and Manufacturing
  3. 00:32Cartridge Overall Length and Rifling
  4. 00:54Range Testing for Optimal Performance
  5. 01:12Conclusion

Frequently Asked Questions

Why does different ammunition affect rifle accuracy?

Different ammunition brands vary in their internal components like cases, primers, powder charges, and bullet construction. These variations, along with differences in overall cartridge length, affect how the round seats and performs in a specific rifle's chamber and barrel, leading to distinct accuracy results.

How can I find the most accurate ammunition for my rifle?

The most effective method is empirical testing. You must conduct live-fire accuracy tests at a shooting range, shooting groups with various brands and loads of ammunition. Analyzing the resulting targets will reveal which specific ammunition consistently delivers the tightest groups for your firearm.

What factors influence ammunition accuracy?

Key factors include the quality and consistency of the ammunition's components (case, primer, powder, bullet), the overall cartridge length, and how well the bullet engages with the rifle's rifling. These elements interact with the specific dimensions of your rifle's chamber and barrel.

Should I stick with one brand of ammunition once I find the most accurate?

Yes, once you have identified the specific brand and load that provides the best accuracy for your rifle through testing, it is highly recommended to consistently use that ammunition. This ensures predictable performance and reliable accuracy for your intended purpose.

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