Brownells BRN4 Heckler & Koch 416 Clone Kit Review 🇺🇸

Published on December 10, 2022
Duration: 17:41

The Brownells BRN4 upper receiver kit offers a more accessible clone of the Heckler & Koch 416. It features a reliable short-stroke piston system and achieved sub-2 MOA accuracy with various loads during testing. The kit provides a high-quality, reliable alternative for those seeking the 416 platform without the cost of authentic HK components.

Quick Summary

The Brownells BRN4 is an upper receiver kit cloning the Heckler & Koch 416, featuring a reliable short-stroke piston system. It achieved sub-2 MOA accuracy at 100 yards and demonstrated zero malfunctions over 900 rounds, offering a high-quality alternative to authentic HK parts.

Chapters

  1. 00:00Intro & Shooting Montage
  2. 00:35BRN4 Overview & Barrel Options
  3. 02:18Accuracy Testing Results
  4. 05:07Disassembly & Internal Components
  5. 07:18Piston System & Gas Block Details
  6. 10:05Bolt Carrier Group (BCG) Specs
  7. 11:59Reliability & Performance (900 Rounds)
  8. 14:41Weight, Balance & Conclusion

Frequently Asked Questions

What is the Brownells BRN4?

The Brownells BRN4 is an upper receiver kit designed to be a clone of the Heckler & Koch 416 rifle. It offers a more accessible and affordable option for enthusiasts seeking the 416 platform's features and performance.

How accurate is the Brownells BRN4 kit?

During testing at 100 yards with a 1-8x scope, the BRN4 kit achieved sub-2 MOA accuracy. Specific group sizes included 1.375" with Remington 45gr, 1.75" with Federal 73gr Berger, and 1.125" with AAC 77gr SMK loads.

What type of operating system does the Brownells BRN4 use?

The Brownells BRN4 utilizes a short-stroke gas piston system, similar to the HK 416. This system is known for its reliability and reduced fouling compared to direct impingement systems.

What are the available barrel lengths for the Brownells BRN4 kit?

The Brownells BRN4 upper receiver kit is offered in three barrel lengths: 10.4 inches, 14.5 inches, and 16 inches. The 10.4-inch version was tested in the review.

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