3 Keys To Reloading Accuracy — GMP #197

This episode of the Guns Magazine Podcast features Tom McHale, editor of American Handgunner Magazine, discussing three key tips for improving rifle reloading accuracy. The primary advice focuses on using high-quality, uniform projectiles, meticulously sorting brass cases by weight and headstamp to ensure consistent internal volume, and checking for bullet runout (concentricity) with a specialized gauge. McHale emphasizes that consistency is paramount for accuracy and advises reloading enthusiasts to systematically change only one variable at a time during load development to isolate its impact.

Quick Summary

For accurate rifle reloading, focus on three key areas: use premium, uniform projectiles; sort brass cases by weight and headstamp for consistent internal volume; and measure bullet runout (concentricity) with a gauge, correcting any deviations to ensure straight bullet seating for predictable pressure and improved shot groups.

Chapters

  1. 00:00Introduction to Reloading Accuracy
  2. 04:02Tip 1: Projectile Quality for Accuracy
  3. 08:02Tip 2: Sorting Brass Cases by Weight
  4. 11:15Tip 3: Addressing Bullet Runout (Concentricity)
  5. 18:15Pistol vs. Rifle Reloading Accuracy
  6. 24:22Additional Reloading Accuracy Factors
  7. 28:05Tom McHale's Reloading Book

Frequently Asked Questions

What is the most important factor for accurate rifle reloading?

According to Tom McHale, the most crucial factors for accurate rifle reloading are using premium, uniform projectiles, meticulously sorting brass cases by weight and headstamp, and ensuring proper bullet concentricity (minimal runout) to achieve consistent ammunition.

How does sorting brass cases improve reloading accuracy?

Sorting brass cases by weight and headstamp ensures consistency in internal volume. Variations in brass thickness can lead to different powder capacities, affecting pressure levels and thus accuracy. Consistent brass means more predictable powder burn and performance.

What is bullet runout and why is it important for accuracy?

Bullet runout, or concentricity, refers to how straight a bullet is seated in the cartridge case. A bullet seated crookedly can cause uneven pressure distribution when fired, leading to a wider shot group. Measuring and correcting runout is vital for precision rifle shooting.

Are the same reloading accuracy principles applied to pistols?

Generally, the same level of meticulousness for accuracy is less critical for standard pistols due to inherent limitations like short sight radius and handheld instability. While good components matter, extreme focus on brass sorting or runout is less common unless using specialized scoped handguns.

What are the key variables to adjust when developing rifle loads?

When developing rifle loads for accuracy, the three primary variables to adjust one at a time are the type of powder used, the specific charge weight of that powder, and the depth to which the bullet is seated in the case.

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