Cant Spell Hypervelocity without "Hype"

Published on December 28, 2025
Duration: 14:21

This video from Boondock Ballistician delves into the 5.7x28mm cartridge, examining its performance against its 'hype.' The host, demonstrating high authority, details its history, technical evolution from SS90 to SS190, and its competition for NATO standardization. The analysis includes ballistic comparisons with 9mm, highlighting 5.7's flatter trajectory and lower recoil but faster velocity/energy loss, and discusses reloading challenges.

Quick Summary

The 5.7x28mm cartridge, developed by FN Herstal, offers a flatter trajectory and lower recoil than 9mm, making it easier to shoot accurately. However, 9mm generally delivers more terminal energy due to heavier projectiles. The 5.7x28mm evolved from SS90 to SS190 for better performance, but reloading it presents unique challenges.

Chapters

  1. 00:00Intro: 5.7x28mm Hype
  2. 00:43History & Development
  3. 01:29SS90 vs SS190 Evolution
  4. 03:33NATO Standardization Battle
  5. 05:205.7 vs 9mm Ballistics
  6. 08:48Terminal Performance & Energy
  7. 12:12Reloading Challenges

Frequently Asked Questions

What is the primary advantage of the 5.7x28mm cartridge over 9mm?

The 5.7x28mm cartridge offers a significantly flatter trajectory and lower felt recoil compared to 9mm. This makes it easier to shoot accurately at longer distances and reduces shooter fatigue during sustained firing.

How does the terminal performance of 5.7x28mm compare to 9mm?

While 5.7x28mm is known for its high velocity, 9mm generally delivers more energy on target due to its heavier projectiles. Modern 9mm loads can effectively bridge velocity gaps, and their heavier bullets often provide more consistent terminal effects.

What were the key developments in 5.7x28mm ammunition?

The 5.7x28mm evolved from the original SS90, which featured a plastic core and high velocity, to the SS190 variant. The SS190 incorporates a steel penetrator and aluminum core, designed for better consistency and improved terminal performance, especially against armor.

Is reloading 5.7x28mm ammunition difficult?

Yes, reloading 5.7x28mm presents unique challenges compared to 9mm. Factory cases are often lubricated, and they tend to experience 'reverse flare' after firing, necessitating extra processing steps for successful reloading.

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