Australian Leader T2 Mk5 - The most amazing rifle you never heard of.

Published on March 9, 2021
Duration: 30:41

The Leader T2 Mk5 was an Australian attempt to create a cost-effective 5.56mm rifle, heavily influenced by the AR-18's stamped construction. It featured a unique triangular bolt and captive recoil springs, differentiating it from the AR-18. Despite its innovative design, it lost the Australian military contract to the Steyr AUG and remains a rare collector's item.

Quick Summary

The Leader T2 Mk5 was an Australian 5.56mm rifle designed by Charles St. George, heavily influenced by the AR-18's stamped steel construction. It featured a unique triangular bolt head and captive recoil springs, aiming for cost-effectiveness. Despite its innovative design, it lost the Australian military contract to the Steyr AUG.

Chapters

  1. 00:00Intro: Australian L1A1 & Commonwealth Rifles
  2. 03:07L1A1 Service & Military Trials
  3. 06:41Leader T2 Mk5: Indigenous Design & Stamped Construction
  4. 09:49AR-18 Influence & Stamped Firearm History
  5. 13:38Internal Comparison: AR-18 vs. Leader T2 Mk5 Bolt
  6. 18:32Leader T2 Mk5 External Features & Ergonomics
  7. 21:18Shooting Impressions & Final Assessment

Frequently Asked Questions

What was the Leader T2 Mk5?

The Leader T2 Mk5 was an Australian-designed 5.56mm rifle developed by Leader Dynamics. It aimed to be a cost-effective indigenous firearm, heavily influenced by the AR-18's stamped steel construction and featuring a unique triangular bolt carrier group.

What military rifle influenced the Leader T2 Mk5?

The Leader T2 Mk5 was significantly influenced by the Armalite AR-18, particularly in its use of stamped steel for both the upper and lower receivers. This approach was chosen for cost-effectiveness, drawing on a history of stamped firearm designs.

Why wasn't the Leader T2 Mk5 adopted by the Australian military?

The Australian military ultimately chose the Steyr AUG (designated F88) over the Leader T2 Mk5 for its next-generation service rifle. Despite its innovative design, the Leader T2 Mk5 did not secure the contract.

What are the key internal differences between the Leader T2 Mk5 and the AR-18?

While both use stamped receivers, the Leader T2 Mk5 features a unique triangular three-lug bolt head and captive recoil springs. These internal distinctions set it apart from the AR-18's bolt carrier group design.

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