The Quietest 5.56 Suppressor Tested To Date - Otter Creek OCM5 🇺🇸

Published on May 30, 2025
Duration: 10:34

This review details the Otter Creek OCM5, a 5.56 suppressor weighing 16 oz, designed as a lighter alternative to the Allen Engineering AEM5. It utilizes the Ops 12 mounting system for compatibility with Mk12 and similar platforms. Tested on an 18-inch barrel with PMC 55-grain ammo, the OCM5 achieved a significant 38.6 dB reduction, bringing the average sound level down to 127.8 dB, surpassing the AEM5's 131 dB. The suppressor is full-auto rated down to 10.3-inch barrels, made of stainless steel, and offers excellent flash suppression with minimal Point of Impact shift upon removal and reattachment.

Quick Summary

The Otter Creek OCM5 suppressor achieved a 38.6 dB sound reduction, measuring 127.8 dB on an 18-inch barrel with PMC 55-grain ammo, outperforming the AEM5. It weighs 16 oz and uses the Ops 12 mount.

Chapters

  1. 00:00Introduction & Shooting Demo
  2. 00:35OCM5 vs. AEM5 Comparison
  3. 01:30Mounting System & Compatibility
  4. 02:51Point of Impact (POI) Shift
  5. 04:50Sound Testing Methodology
  6. 05:25Sound Test Results
  7. 06:01Technical Specs & Flash Suppression
  8. 07:33Durability & Pricing

Frequently Asked Questions

What is the sound reduction achieved by the Otter Creek OCM5 suppressor?

The Otter Creek OCM5 achieved a sound reduction of 38.6 dB, bringing the average sound level down to 127.8 dB from an unsuppressed 166.4 dB when tested with PMC 55-grain ammunition.

How does the Otter Creek OCM5 compare in weight to the Allen Engineering AEM5?

The Otter Creek OCM5 weighs 16 ounces, making it significantly lighter than the Allen Engineering AEM5, which typically weighs between 21-22 ounces.

What mounting system does the Otter Creek OCM5 use?

The OCM5 utilizes the Ops 12 mounting system, which is compatible with Mk12 rifles, Gordon clones, and various adapters, allowing for versatile configurations on different barrel lengths.

Is the Otter Creek OCM5 rated for full-auto fire?

Yes, the Otter Creek OCM5 is full-auto rated down to 10.3-inch barrels and is constructed from stainless steel, indicating it is built for durability under demanding conditions.

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