From The Bench: BRN 4 M38 On The Range

Published on May 16, 2025
Duration: 6:03

This video showcases a BRN4 rifle built in an M38 configuration, akin to a Marine Corps Designated Marksman Rifle based on the HK 416. The build features an upgraded optic setup with a Badger Ordnance mount and Trijicon RMR piggyback, an MDT bipod, and a Dead Air Sierra 5 suppressor. The rifle is tested at a 500-yard range using Winchester Match 69-grain Sierra Match King ammunition, demonstrating its capability for extended range engagements.

Quick Summary

The BRN4 rifle, built in an M38 configuration inspired by the HK 416 DMR concept, was tested at 500 yards. It featured a Badger Ordnance mount with a Trijicon RMR, an MDT bipod, and a Dead Air Sierra 5 suppressor, using Winchester Match 69-grain ammunition.

Chapters

  1. 00:07Introduction: BRN4 M38 Build
  2. 00:41Optic and Accessory Upgrades
  3. 00:59Suppressor and Range Setup
  4. 01:21Ammunition Details: Winchester Match
  5. 01:42100-Yard Steel Engagement
  6. 01:56200-Yard Steel Engagement
  7. 02:02300-Yard Steel Engagement
  8. 02:09400-Yard Steel Engagement
  9. 02:22400-Yard Adjustment and Hit
  10. 02:30500-Yard Steel Engagement
  11. 03:00500-Yard Adjustments and Performance
  12. 03:15DMR Setup Overview
  13. 03:15Steve Takes the Rifle
  14. 03:37Steve's 500-Yard Shot
  15. 04:38Steve's Hit on Target
  16. 05:06Steve's Second Shot Analysis
  17. 05:34Conclusion: BRN4 M38 Build Performance

Frequently Asked Questions

What is the M38 configuration for the BRN4 rifle?

The M38 configuration for the BRN4 rifle is described as a concept for a Marine Corps Designated Marksman Rifle (DMR), drawing inspiration from the HK 416 platform. It aims to provide enhanced accuracy and range capabilities.

What accessories were added to the BRN4 M38 build for range testing?

For the range test, the BRN4 M38 build was equipped with an MDT bipod for stability and a Dead Air Sierra 5 suppressor. The optic setup was also upgraded with a Badger Ordnance mount and a Trijicon RMR.

What ammunition was used to test the BRN4 M38 at 500 yards?

The BRN4 M38 was tested at 500 yards using Winchester Match ammunition. Specifically, the video highlights the 69-grain Sierra Match King hollowpoint boat tail bullet, chosen for its weight and suitability for longer-range precision shooting.

How did the BRN4 M38 perform at 500 yards?

The BRN4 M38 demonstrated effective engagement capabilities at 500 yards. While a hasty zero was applied, the rifle was able to hit steel targets at this distance, with minor windage adjustments noted as necessary.

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