Black Hills .308 Load Test

Published on November 25, 2025
Duration: 4:17

This guide details a practical method for testing Black Hills .308 Winchester ammunition to identify the most accurate load for a specific rifle. It emphasizes the importance of barrel cooling, consistent shooting techniques, and careful target analysis. Instruction from experts Ryan Gresham and Chris Cerino highlights how barrel harmonics and heat management significantly impact shot group consistency, offering valuable insights for shooters seeking optimal accuracy.

Quick Summary

Testing Black Hills .308 loads involves firing three-shot groups and allowing the barrel to cool between sets to ensure accuracy. The 178gr ELD-X load showed superior performance in one test, but optimal accuracy is rifle-specific. Experts advise avoiding previous bullet holes when analyzing groups to prevent bias.

Chapters

  1. 00:11Introduction to Black Hills .308 Loads
  2. 01:30Range Testing and Rifle Preference
  3. 02:17Shooting Technique and Barrel Heat Management
  4. 03:06Target Analysis and Results

Frequently Asked Questions

How do you test different .308 loads for accuracy in a rifle?

To test .308 loads, fire three-shot groups with each ammunition type, allowing the barrel to cool between groups. Analyze the shot placement on the target to identify which load produces the tightest, most consistent group for your specific rifle. Avoid aiming at previous holes to maintain accuracy.

What factors affect rifle accuracy when testing ammunition?

Rifle accuracy during ammunition testing is significantly affected by barrel heat, which can cause shots to string vertically. Consistent shooting technique, proper barrel cooling between groups, and avoiding aiming at previous bullet holes are crucial for obtaining reliable results and identifying the best-performing load.

Which Black Hills .308 load is generally most accurate?

During a specific test, the 178gr ELD-X load from Black Hills Ammunition produced the tightest shot group. However, the most accurate load is rifle-dependent, and testing various options like the 150gr Hornady CX, 168gr ELD Match, and 175gr BTHP is recommended.

Why is barrel cooling important during accuracy testing?

Allowing the rifle barrel to cool between shot groups is essential because heat buildup can alter the barrel's harmonics and cause metal expansion, leading to inconsistent shot placement and inaccurate representation of the ammunition's true potential accuracy.

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