The Ultimate Compact AR 15 with the BRN 180 (Worth It?)

Published on January 16, 2025
Duration: 26:48

This guide details the installation of the A3 Tactical Triad chassis system, converting a bufferless AR-15 into a bullpup configuration. It covers component compatibility, assembly, legal length requirements, and addresses potential trigger reliability issues encountered during testing, emphasizing the need for a functional trigger for safe operation.

Quick Summary

The A3 Tactical Triad chassis converts bufferless AR-15s into bullpups, costing around $650. While compact and familiar, it requires a minimum 26-inch overall length for NFA compliance. The included Rise Armament RA-140 trigger may need replacement due to reliability issues like failure to reset.

Chapters

  1. 00:00Introduction to A3 Tactical Triad
  2. 00:39Compatibility and Bufferless Uppers
  3. 01:59Unboxing and Components
  4. 03:14Build Breakdown and Accessories
  5. 05:17Mechanical Operation and Assembly
  6. 08:27Legal Compliance and Overall Length
  7. 09:26Range Testing and Trigger Issues
  8. 11:14Reliability Fix and Performance
  9. 12:21Pros and Cons Assessment
  10. 16:35Final Verdict

Frequently Asked Questions

What is the A3 Tactical Triad chassis system?

The A3 Tactical Triad is a chassis system designed to convert bufferless AR-15 variants into a compact bullpup configuration, offering a unique alternative to traditional rifle designs while maintaining familiar AR-15 controls.

What bufferless AR-15 uppers are compatible with the A3 Tactical Triad?

Compatible bufferless uppers include the Faxon ARAK-21, PSA Jakl, CMMG Dissent, Foxtrot Mike FM-15, Matador Arms MAT-9, and the Brownells BRN-180 Gen 2. Gen 3 BRN-180 prototypes may not fit.

What are the main concerns with the A3 Tactical Triad build?

The primary concerns are the high cost, approximately $650, and the reliability issues encountered with the included Rise Armament RA-140 trigger, which may require replacement for consistent performance.

How does the A3 Tactical Triad ensure legal compliance?

To comply with Federal/NFA regulations and avoid Short Barreled Rifle (SBR) classification, the bullpup configuration must maintain a minimum overall length of 26 inches, achievable with the provided butt plate extensions.

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