Myth Busted: Steel cased ammo cause brass to stick

Published on July 12, 2018
Duration: 10:04

This guide details a practical test to debunk the myth that steel-cased ammunition causes brass-cased ammunition to stick in a handgun's chamber. Following the methodology of Military Arms Channel, it involves firing a significant quantity of steel-cased rounds followed immediately by brass-cased rounds in an uncleaned firearm. The test demonstrates that for handguns like the CZ P-07, this common internet rumor is unfounded, highlighting the importance of verifying information from reliable sources.

Quick Summary

A common internet myth suggests steel-cased ammunition causes brass-cased ammunition to stick in handgun chambers due to carbon buildup. However, a practical test using a CZ P-07, firing 100 rounds of Wolf steel-cased 9mm followed immediately by LAX brass-cased 9mm, showed zero malfunctions, debunking this myth for handguns.

Chapters

  1. 00:00Introduction to the Myth
  2. 01:46Rifles vs. Handguns
  3. 03:15Test Methodology
  4. 04:49Live Fire: Steel Case
  5. 06:22Live Fire: Brass Case Follow-up
  6. 07:31Conclusion and Final Thoughts

Frequently Asked Questions

Does steel-cased ammunition cause brass-cased ammunition to stick in a handgun's chamber?

No, according to a practical test by Military Arms Channel using a CZ P-07. Firing 100 rounds of Wolf steel-cased 9mm followed immediately by LAX brass-cased 9mm resulted in zero malfunctions, debunking this common internet myth for handguns.

Why might some people believe steel-cased ammo causes brass to stick?

The myth often stems from the idea that steel cases don't seal as tightly, leading to carbon buildup that could bind with subsequent brass cases. However, this is largely unfounded in modern handguns, though some specific rifle actions might be more sensitive.

What firearm was used to test the steel vs. brass ammo myth?

The test was conducted using a CZ P-07 handgun. This firearm was chosen to demonstrate reliability in a common handgun platform when switching between steel-cased and brass-cased ammunition.

What specific ammunition types were used in the test?

The test involved firing Wolf Polyformance 9mm Luger (steel-cased, 115 grain FMJ) followed by LAX Ammunition 124-grain (brass-cased). Both performed reliably in sequence.

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