Ban on common AR15 ammo? M855 vs. true armor piercing ammunition!

Published on February 19, 2015
Duration: 10:04

This video, presented by Lena Miculek, an expert with years of experience, delves into the proposed ban on SS109/M855 ammunition. It contrasts this 'green tip' round with standard ball ammunition, explaining the M855's construction (62-grain projectile with a steel penetrator) and its intended use in faster twist barrels. The discussion also touches on older ammunition types and newer military rounds, providing valuable context for firearm owners concerned about potential regulatory changes.

Quick Summary

M855 (SS109) ammunition features a 62-grain projectile with a hardened steel penetrator for enhanced barrier penetration, unlike standard .223 55-grain ball ammunition which relies on tumbling for soft tissue effect. While containing steel, M855 is generally not classified as true armor-piercing under federal law, though proposed bans often cite its penetrator.

Chapters

  1. 00:05Proposed SS109 Ammunition Ban
  2. 00:23Market Impact of SS109 Scare
  3. 01:02Ball vs. SS109 Ammo Comparison
  4. 02:30M855 Construction and Purpose
  5. 03:21M16 Twist Rate and Bullet Performance
  6. 04:10Green Tip vs. Open-Tip Rounds
  7. 05:15Soviet 5.45x39mm Round Analysis
  8. 06:37WWII Era .30-06 Round Discussion
  9. 07:24.50 BMG Round Analysis
  10. 09:00Knowledge is Power: Opposing Bans

Frequently Asked Questions

What is the difference between M855 and standard ball ammunition?

M855 (SS109) ammunition features a 62-grain projectile with a hardened steel penetrator, designed for better barrier penetration. Standard .223 55-grain ball ammunition has a lead core and is designed to tumble in soft tissue for increased effectiveness.

Is M855 ammunition considered armor-piercing?

While M855 contains a steel penetrator, it is generally not classified as true armor-piercing ammunition under federal law. Its primary design goal was enhanced barrier penetration, not defeating hardened armor plates.

Why is there a proposed ban on M855 ammunition?

The proposed ban often stems from concerns about the M855's steel penetrator, with some arguing it could be used to penetrate soft targets more effectively or that it falls under broader definitions of restricted ammunition, despite its common use and classification.

What is the significance of the twist rate in firearm barrels regarding ammunition?

The twist rate (e.g., 1:7, 1:14) determines how quickly a bullet stabilizes in flight. Faster twists stabilize heavier bullets like M855, while slower twists are suited for lighter bullets and can promote tumbling for increased soft tissue damage.

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