The Ultimate AR 15... Lighter Than a Feather

Published on May 5, 2019
Duration: 18:41

This video provides an in-depth review of an exceptionally lightweight Faxon Firearms AR-15, weighing just 4.95 lbs. The host, demonstrating high authority and technical knowledge, breaks down key components contributing to the weight savings, including a carbon fiber handguard and a skeletonized BCG. Practical advice is offered on tuning the adjustable gas block for optimal performance and accuracy, making this a valuable resource for AR-15 enthusiasts seeking to optimize their builds for weight and handling.

Quick Summary

The Faxon Firearms AR-15 weighs an exceptional 4.95 lbs due to its 14.5-inch pencil barrel, carbon fiber handguard, and skeletonized 8.5 oz BCG. Accuracy is maintained via Faxon's stress-relieving process. Tuning involves adjusting the gas block from fully closed until reliable cycling is achieved with 55-grain ammunition.

Chapters

  1. 00:00Introduction: Ultra-Lightweight AR-15
  2. 00:55Barrel and Gas System Specs
  3. 02:08Weight Savings and Handguard
  4. 03:11Upper Receiver and BCG
  5. 04:49Charging Handle and Optics
  6. 05:16Lower Receiver and Trigger
  7. 06:42Additional Features and Accuracy
  8. 08:21Range Performance and Tuning
  9. 10:35Pros, Cons, and Pricing

Frequently Asked Questions

What makes the Faxon Firearms AR-15 exceptionally lightweight?

The Faxon Firearms AR-15 achieves an impressive weight of just 4.95 lbs through strategic use of lightweight components. Key contributors include a 14.5-inch pencil barrel, a 13-inch carbon fiber handguard, and a significantly lightened 8.5 oz skeletonized Bolt Carrier Group (BCG).

How is the accuracy maintained on such a lightweight AR-15 barrel?

Faxon Firearms employs a proprietary stress-relieving process for their pencil barrels. This manufacturing technique helps to mitigate potential accuracy degradation often associated with thin-profile barrels, ensuring reliable performance despite the reduced mass.

What are the key components of the Faxon AR-15's trigger and operating system?

The rifle features a Hiperfire EDT3 trigger with a 4.2 lb pull weight and a hybrid shoe. The operating system includes a skeletonized, full-auto capable BCG made from 9310 tool steel, contributing significantly to weight reduction.

What is the recommended tuning process for the adjustable gas block on this lightweight AR-15?

To tune the adjustable gas block, start with it fully closed. Gradually open the gas block until the rifle reliably cycles all ammunition, ensuring proper ejection and bolt lock-back. This process optimizes function for the specific ammunition being used.

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