Aero BCG vs Anderson BCG Review

Published on December 18, 2022
Duration: 10:32

This review compares the Aero Precision Black Nitride BCG against the Anderson Phosphate BCG, focusing on their impact on rifle accuracy. While the Aero Precision BCG exhibits a smoother, shinier finish, the testing revealed no significant difference in average group size at 100 yards when using standard ammunition. Both BCGs performed to a similar accuracy benchmark, suggesting that for standard AR-15 platforms, the finish of the BCG has minimal impact on inherent accuracy.

Quick Summary

Testing revealed no significant accuracy difference between Aero Precision's Black Nitride BCG and Anderson's Phosphate BCG at 100 yards. Both BCGs are made from identical materials (9310 steel bolts, 8620 steel carriers) and to mil-spec dimensions, resulting in comparable group sizes around 2.5 inches with standard ammunition.

Chapters

  1. 00:07Introduction: Aero vs Anderson BCG
  2. 00:24Visual Comparison: Finish and Construction
  3. 01:41Identical Specs: Materials and Dimensions
  4. 02:51Range Test Setup: 100 Yards
  5. 03:33Ammunition Used: Winchester White Box
  6. 03:52Aero Precision BCG Groups
  7. 05:39Anderson BCG Installation and Test
  8. 06:05Anderson BCG Groups
  9. 08:14Initial Visual Results Comparison
  10. 08:45Range Buddy App Analysis: Aero Precision
  11. 08:53Range Buddy App Analysis: Anderson
  12. 09:28Conclusion: No Accuracy Difference
  13. 09:59Final Thoughts and Call to Action

Frequently Asked Questions

Does the finish of an AR-15 bolt carrier group affect its accuracy?

According to testing, the finish of an AR-15 bolt carrier group, such as Aero Precision's Black Nitride versus Anderson's Phosphate, does not significantly impact accuracy at 100 yards when using standard ammunition. Both BCGs performed similarly in group size tests.

What are the key material differences between Aero Precision and Anderson BCGs?

In this review, both the Aero Precision Black Nitride BCG and the Anderson Phosphate BCG were found to be made from identical materials: 9310 steel for the bolts and 8620 steel for the carriers. Both also underwent magnetic particle inspection.

What is the typical accuracy expected from a standard AR-15 with non-match ammunition?

Using Winchester White Box 55-grain 5.56 NATO ammunition, the rifle in this test typically yielded groups around 2.5 inches at 100 yards, regardless of whether an Aero Precision or Anderson bolt carrier group was installed.

What are the advantages of a Black Nitride finish on a BCG?

A Black Nitride finish, like on the Aero Precision BCG, offers a smoother, shinier surface that can provide reduced friction and potentially better corrosion resistance compared to a phosphate finish. However, this review did not find it to directly improve accuracy.

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