We Accuracy Tested the SCAR, SIG MCX-SPEAR, and Steyr DMR: Here’s the Truth

Published on April 5, 2025
Duration: 17:38

This video from TFB TV features James Reeves and Martin from Austria Arms conducting an accuracy test on three prominent 7.62x51 NATO rifles: the FN SCAR-H, SIG MCX-SPEAR, and Steyr DMR. The comparison highlights the performance differences between piston-driven systems and their impact on accuracy, with the Steyr DMR ultimately achieving the best results. The expert analysis delves into gas system mechanics and military procurement context.

Quick Summary

The Steyr DMR achieved the best average accuracy at 1.29 MOA, followed by the SIG MCX-SPEAR at 1.38 MOA, and the FN SCAR-H at 1.50 MOA. These results were obtained during an accuracy face-off conducted by TFB TV, highlighting the performance of piston-driven combat platforms.

Chapters

  1. 00:15Introduction and Rifle Selection
  2. 01:35Gas Systems and Accuracy Theory
  3. 03:43FN SCAR-H Testing
  4. 06:09SIG MCX-SPEAR Testing
  5. 08:14Steyr DMR Testing
  6. 11:45Final Comparison and Conclusion

Frequently Asked Questions

What were the accuracy results for the FN SCAR-H, SIG MCX-SPEAR, and Steyr DMR?

The Steyr DMR achieved the best average accuracy at 1.29 MOA, followed by the SIG MCX-SPEAR at 1.38 MOA, and the FN SCAR-H at 1.50 MOA. These results were obtained during an accuracy face-off conducted by TFB TV.

How do piston systems compare to direct impingement in terms of accuracy?

Piston systems are generally considered cleaner and cooler running. However, they can sometimes be perceived as less accurate due to the moving parts above the barrel potentially introducing harmonics that affect shot consistency compared to direct impingement systems.

Which rifle won the accuracy test between the SCAR, MCX-SPEAR, and Steyr DMR?

The Steyr DMR was the winner of the accuracy test, demonstrating the tightest average group size. It was followed by the SIG MCX-SPEAR, with the FN SCAR-H showing the largest average group size among the three tested rifles.

What caliber were the rifles tested in and what is MOA?

All three rifles tested were chambered in 7.62x51 NATO / .308 Winchester. MOA stands for Minute of Angle, a common measurement for firearm accuracy, where 1 MOA at 100 yards equates to roughly 1.047 inches.

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