Testing 5.56mm Suppressors

Published on May 11, 2015
Duration: 15:32

This video presents a formal, standardized test of 5.56mm suppressors using Mil-Std 1474D protocols and a Bruel & Kjaer sound meter. An unsuppressed AR-15 baseline registered 167dB, with tested suppressors ranging from 133dB to 143dB. The data aims to provide objective performance comparisons for various brands like AAC, SilencerCo, Surefire, and Griffin Armament.

Quick Summary

This video tests 5.56mm suppressors using Mil-Std 1474D protocols and a Bruel & Kjaer sound meter. An unsuppressed AR-15 baseline registered 167dB, with tested suppressors ranging from 133dB to 143dB, offering objective performance comparisons.

Chapters

  1. 00:10Introduction to Suppressor Testing
  2. 00:46Testing Equipment and Protocol
  3. 01:40Test Setup and Ammunition
  4. 03:54Unsuppressed Baseline Testing
  5. 04:34Suppressor Testing Results
  6. 13:17Conclusion and Future Tests

Frequently Asked Questions

What is the standard used for testing 5.56mm suppressors in this video?

This video utilizes the Mil-Std 1474D standard for sound measurement. The testing protocol involves placing a Bruel & Kjaer 2209 Impulse Sound Meter 1.6 meters high and 1 meter left of the muzzle for accurate decibel readings.

What was the unsuppressed decibel level for the 16-inch AR-15?

The unsuppressed 16-inch AR-15, using IMI M193 Ball 5.56x45mm ammunition, registered an average sound level of 167dB. This baseline is crucial for evaluating the effectiveness of various suppressors.

Which 5.56mm suppressors performed best in the decibel testing?

The SilencerCo Specwar and Griffin Armament Recce 5 achieved the lowest average sound level at 133dB. Other notable results included Griffin Armament models ranging from 133dB to 137dB.

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