Mud Test: Scar 17 "Heavy"

Published on June 9, 2018
Duration: 6:45

This guide details the procedure for conducting a mud test on the FN Herstal SCAR 17 'Heavy' rifle, as demonstrated by InRangeTV. The test assesses the rifle's reliability under extreme environmental conditions. Key takeaways highlight the SCAR 17's robust, sealed design, particularly its bolt carrier's effectiveness as a dust cover, enabling it to function flawlessly even when heavily caked in mud. The analysis, presented by experienced firearms experts Karl Kasarda and Ian McCollum, emphasizes the importance of testing firearms in their un-modified, military-specification configurations.

Quick Summary

The FN Herstal SCAR 17 "Heavy" passed an extreme mud test with flying colors, functioning flawlessly even when caked in thick mud. Experts attribute this reliability to its sealed receiver design, where the bolt carrier acts as an integrated dust cover, preventing contaminants from reaching critical internal components. The rifle was tested in its original military specification configuration for accurate results.

Chapters

  1. 00:00Introduction: SCAR 17 "Heavy" Mud Test Setup
  2. 00:56Baseline Clean Firing Test
  3. 01:14First Mud Application and Firing
  4. 02:12Second Mud Application and Malfunction Analysis
  5. 03:06Final Heavy Mud Test and Mag Dump
  6. 04:09Conclusion: SCAR 17 Design Analysis

Frequently Asked Questions

How did the FN Herstal SCAR 17 perform in a mud test?

The FN Herstal SCAR 17 "Heavy" demonstrated exceptional reliability during an extreme mud test conducted by InRangeTV. It functioned flawlessly even when completely covered in thick, wet mud, including during a full magazine dump, highlighting its robust design.

What makes the SCAR 17 so reliable in adverse conditions like mud?

The SCAR 17's reliability in muddy conditions is largely attributed to its sealed receiver design. The bolt carrier group effectively acts as its own dust cover, preventing mud and debris from entering and fouling the critical internal action components.

Was the SCAR 17 tested in its original configuration?

Yes, Karl Kasarda emphasized that the SCAR 17's gas system was restored to original military specifications before the mud test. This ensured the rifle was tested in an un-modified state, providing a true assessment of its inherent reliability.

Did the SCAR 17 experience any malfunctions during the mud test?

During the second mud application, a single minor malfunction occurred. However, it was later identified as a dud round of Hirtenberger .308 ammunition, not a failure caused by the mud contamination, and the rifle resumed flawless operation.

What are the key specifications of the SCAR 17 tested?

The tested SCAR 17 "Heavy" is chambered in .308 Winchester / 7.62x51mm NATO, features a short-stroke gas piston action, and has a standard capacity of 20 rounds. Its design includes a reciprocating charging handle and a sealed receiver.

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