Austria's LMG: The Steyr AUG HBAR

Published on December 1, 2021
Duration: 15:39

The Steyr AUG HBAR is a modular light machine gun platform capable of rapid barrel and magazine changes for fire support roles. It features a cold hammer-forged barrel, a progressive trigger for semi and full-auto fire, and a short-stroke gas piston system for reliability. Despite its LMG designation, the HBAR demonstrated impressive accuracy, achieving near-MOA at 100 meters and consistent hits at 600 meters.

Quick Summary

The Steyr AUG HBAR is a modular light machine gun known for its accuracy, achieving near-MOA at 100 meters and consistent hits at 600 meters. It features a progressive trigger for semi/full-auto fire and a cold hammer-forged barrel with a 650 RPM cyclic rate.

Chapters

  1. 00:19Introduction: Steyr AUG HBAR
  2. 01:24Modularity & Barrel Swaps
  3. 02:40Open Bolt vs. Closed Bolt Design
  4. 04:38Cyclic Rate of Fire
  5. 05:01Accuracy Testing Setup
  6. 07:10Range Performance & Accuracy Results
  7. 09:13Barrel Construction & Specs
  8. 11:59Progressive Trigger System Explained
  9. 13:13Reliability & Gas System

Frequently Asked Questions

What is the cyclic rate of the Steyr AUG HBAR?

The Steyr AUG HBAR, when firing in fully automatic mode, has a cyclic rate of approximately 650 rounds per minute. This rate is considered controllable for sustained fire applications typical of a light machine gun.

How accurate is the Steyr AUG HBAR?

Despite being a light machine gun platform, the Steyr AUG HBAR demonstrated impressive accuracy during testing. It achieved near Minute of Angle (MOA) groups at 100 meters and maintained consistent hits on target at 600 meters.

What makes the Steyr AUG HBAR's trigger unique?

The Steyr AUG features a progressive trigger system. A partial pull allows for semi-automatic fire, while pulling the trigger fully to the rear engages the fully automatic mode.

What is the barrel construction of the Steyr AUG HBAR?

Steyr AUG HBAR barrels are constructed using a cold hammer forging process. They typically feature a twist rate of either 1:9 or 1:7 inches and are chambered for the 5.56x45mm NATO cartridge.

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