M855A1 Take 2 - It's not fake fellas

Published on July 29, 2024
Duration: 12:40

This video features Tim, an established subject matter expert, conducting a technical and objective analysis of the M855A1 Enhanced Performance Round. He addresses community feedback regarding velocity discrepancies and potential rifle wear, using a Garmin Xero C1 Pro chronograph and various firearms to test M855A1 against M855 (Green Tip) across different barrel lengths. The expert demonstrates the authenticity of M855A1 and compares its terminal ballistics to M855, concluding on its superior lethality but noting its impracticality for civilian use due to cost.

Quick Summary

Expert analysis confirms M855A1 offers superior lethality over M855 due to advanced projectile construction, creating more aggressive fragmentation and wound tracks. However, velocity tests across 14.5-inch and 20-inch barrels show negligible differences, debunking claims of significantly higher speed for M855A1. Authenticity is verified via Lake City markings and primer crimps.

Chapters

  1. 00:10Addressing Velocity Concerns
  2. 01:28M855A1 Technical Issues
  3. 02:21Authenticity Verification
  4. 04:3114.5-inch Barrel Testing
  5. 07:1120-inch Barrel Testing
  6. 09:19Final Comparison and Lethality

Frequently Asked Questions

What is the primary difference in lethality between M855A1 and M855 ammunition?

M855A1 demonstrates superior lethality in ballistics gel due to its construction, featuring a copper core with a steel penetrator and polymer tip, which results in more aggressive fragmentation and a wider wound track compared to the lead core M855.

Does M855A1 ammunition have significantly higher muzzle velocity than M855?

Testing with both 14.5-inch and 20-inch barrels showed negligible differences in muzzle velocity between M855A1 and M855, with velocities being nearly identical across tested configurations.

How can one verify the authenticity of M855A1 ammunition?

Authenticity can be verified by examining the Lake City brass headstamp, the presence of a military four-point primer crimp, and the unique projectile design, distinguishing it from reloads or counterfeit rounds.

Are there any known issues with M855A1 ammunition regarding firearm wear?

Early production M855A1 was noted for potentially high pressures that could cause premature wear on certain firearms like the M27 IAR. Current production may feature reduced pressures, mitigating this concern.

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