Aero Precision M5E1 - More Accuracy Tests (AR-10)

Published on May 8, 2018
Duration: 42:24

This video details accuracy tests on an Aero Precision M5E1 AR-10 build, focusing on a Ballistic Advantage 18-inch barrel. Despite extensive load development with various bullet weights and powders, the barrel yielded mediocre accuracy, with the best group at 0.986 inches. The speaker concludes the barrel is the limiting factor and plans to replace it, soliciting viewer input on future barrel choices.

Quick Summary

The Aero Precision M5E1 AR-10 build's 18-inch Ballistic Advantage barrel showed mediocre accuracy, with the best group at 0.986 inches using 168gr SMK and Reloder 15. Most groups were over 1 MOA, leading to the decision to replace the barrel.

Chapters

  1. 00:00Introduction & Series Recap
  2. 01:17Barrel Performance Issues
  3. 03:06Load Development Specs
  4. 07:15Adjustable Gas Block Comparison
  5. 09:59Reloading Process
  6. 15:43Range Testing & Chronograph Data
  7. 25:26Brass & BCG Inspection
  8. 29:45Accuracy Results Analysis
  9. 30:47Borescope Barrel Inspection
  10. 34:57Future Plans & Barrel Poll

Frequently Asked Questions

What were the key findings from the Aero Precision M5E1 accuracy tests?

The primary finding was that the 18-inch Ballistic Advantage barrel on the Aero Precision M5E1 AR-10 build exhibited mediocre accuracy, with the best group measuring 0.986 inches. This led to the conclusion that the barrel is the limiting factor for precision.

What load development was performed for the Aero Precision M5E1 accuracy tests?

Load development involved testing bullets ranging from 168gr Sierra MatchKing to 208gr Hornady ELD Match. Powders used included Reloder 15, Varget, and IMR 4064, paired with CCI 200 primers and Starline brass.

Why is the speaker planning to replace the barrel on the Aero Precision M5E1 AR-10?

The speaker is replacing the barrel because the current 18-inch Ballistic Advantage barrel consistently produced groups larger than desired for a precision build, indicating it's the bottleneck for accuracy despite extensive load development.

What are the next steps for the Aero Precision M5E1 build after the barrel test?

The next steps involve replacing the current barrel. The speaker is asking viewers to vote on preferred brands like Criterion, Shilen, Faxon, Black Hole Weaponry, or Proof Research, and desired lengths (18" or 20").

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