Leader Dynamics Series T2 MK5
Encyclopedia
The Leader T2 MK5 Series weapon
Weapon
A weapon, arm, or armament is a tool or instrument used with the aim of causing damage or harm to living beings or artificial structures or systems...

s were chambered for the 5.56 mm cartridge and manufactured by Leader Dynamics of Smithfield, NSW, Australia
Smithfield, New South Wales
* Highest Recorded Temperature: 44.2 °C* Lowest Recorded Temperature: -2.3 °C* Warmest Month: January* Coolest Month: July* Highest Precipitation: February* Lowest Precipitation: August-Demographics:...

. (1978-1982/1983) The Leader was the brainchild of weapons designer Charles St. George. What was unique about this endeavor was that Australia had never designed or manufactured its own commercial gas operated semi-automatic rifle. The Australian Army
Australian Army
The Australian Army is Australia's military land force. It is part of the Australian Defence Force along with the Royal Australian Navy and the Royal Australian Air Force. While the Chief of Defence commands the Australian Defence Force , the Army is commanded by the Chief of Army...

 at the time used the L1A1, made at the Government Lithgow Small Arms Factory
Lithgow Small Arms Factory
The Lithgow Small Arms Factory is a military small arms factory located in the town of Lithgow, New South Wales in Australia.- History :Opened on 8 June 1912, the factory initially manufactured Short, Magazine, Lee-Enfield Mk III rifles for the Australian military during World War I...

, and significant quantities of M16A1
M16 rifle
The M16 is the United States military designation for the AR-15 rifle adapted for both semi-automatic and full-automatic fire. Colt purchased the rights to the AR-15 from ArmaLite, and currently uses that designation only for semi-automatic versions of the rifle. The M16 fires the 5.56×45mm NATO...

 rifles.

Origins

Fred Riddle of Dupont Australia and Charles St. George worked together (with the input of Dupont USA) to select an appropriate engineering plastic for the pistol grip, handguards and butt-stock.

Charles St. George designed the production tooling and the factory at Smithfield began to initially turn out 200 units per month, which increased to 400 per month some months later. St. George developed a selective fire version (including a sub-machine gun version of the Leader) which attracted the interest of the Royal Australian Armoured Corps, as well as foreign arms companies, including Luigi Franchi
Franchi
Luigi Franchi S.p.A. is an Italian manufacturer of firearms, most notably various shotguns.Notable Franchi products include the military SPAS-12 and SPAS-15 and the sporting-type long-recoil action AL-48. Franchi are renowned for their semi-automatic shotguns and are a division of Benelli...

 (a subsidiary of Beretta
Beretta
Fabbrica d'Armi Pietro Beretta is an Italian firearms manufacturer. Their firearms are used worldwide for a variety of civilian, law enforcement, and military purposes. It is also known for manufacturing shooting clothes and accessories. Beretta is the oldest active firearms manufacturer in the...

) in Italy, Fábrica Militar de Braço de Prata in Portugal, and foreign militaries, such as the Sultanate of Oman
Oman
Oman , officially called the Sultanate of Oman , is an Arab state in southwest Asia on the southeast coast of the Arabian Peninsula. It is bordered by the United Arab Emirates to the northwest, Saudi Arabia to the west, and Yemen to the southwest. The coast is formed by the Arabian Sea on the...

 Armed Forces. ATA Target Systems of Albury NSW hosted the visitors, and Charles St. George together with Terry Dinnen demonstrated the Leader weapons on ATA's Dart System. The Leader demonstration resulted in Oman placing trial weapon orders for 12 Leader select rifles and 12 Leader submachine guns.

European markets

During this period, Charles St. George departed for Europe and conducted demonstrations in Portugal, Malta and Italy. Luigi Franchi were very impressed with the Leader and wanted to purchase a manufacturing license with customers in Europe and Asia. Unfortunately, Jack Allen and Brian Shaw, the two other partners in Leader, were not able to conclude a satisfactory contract with Luigi Franchi. Franchi eventually developed their own weapon.

United States market

The Leader was originally imported into the U.S. by Ed Hoffman and Tim Painter of World Public Safety, CA. The Leader was exhibited at the New Orleans Shot Show and orders in excess of $3,000,000 were written. The original buyers/distributors were John Giovino NY, Bumble Bee CA and Ellett Brothers. These rifles are quite rare in the US as very few (less than 2000) made it into the country.

Design and manufacturing features

The weapon is quite simple and tooling cost was kept to a minimum. The receiver was a simple 16 gauge steel square tube readily available and saved thousands of dollars in die costs.

Charles St. George had to convince Australian engineering companies that it was possible to make gun parts and that close tolerances were not imperative, as is the common belief. Barrels from Lithgow were too expensive so St. George designed and built his own button rifling machine using a self rotating button with a pushing motion. The barrel blanks were imported from Parker Hale
Parker Hale
Parker Hale Ltd. was a United Kingdom firearms, air rifle and firearms accessory manufacturer, located in the Gun Quarter of the city of Birmingham, England. It was originally founded by Alfred Gray Parker and Arthur Hale. Parker-Hale Limited began manufacturing high quality precision shooting...

 in the United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 with H&K
Heckler & Koch
Heckler & Koch GmbH is a German defense manufacturing company that produces various small arms. Some of their products include the SA80, MP5 submachine gun, G3 automatic rifle, the G36 assault rifle, the HK 416, the MP7 personal defense weapon, the USP series of handguns, and the high-precision...

 providing the chamber machining details and Chartered Industries of Singapore
Singapore Technologies Kinetics
ST Kinetics is the land systems and specialty vehicles arm of ST Engineering. In 2000, ST Engineering acquired the Chartered Industries of Singapore through ST Automotive, a subsidiary of ST Engineering, and the new company was named ST Kinetics...

 supplied the 20 round M16 magazines.

The Leader actually had a self cleaning gas system without the need for a gas regulator and a unique charging system that did not reciprocate mounted over the left action rod and supported by the barrel extension. The bolt carrier group was assembled into a modular system, obviating the loss of parts during dis-assembly. Simple spot weldments were used throughout the fabrication and full use of early powder metal parts that were used for the rear sight system and magazine latch.

Company issues

In 1982 St. George split from both Brian Shaw and Jack Allan and moved on and established Armtech Pty Ltd. Leader Dynamics was subsequently sold off to a businessman who formed his own company, Australian Automatic Arms and started to make the Leader rifles in Tasmania
Tasmania
Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

.

Of interest to those that study weapons, designs and evolution, Barrett Firearms
Barrett Firearms Company
Barrett Firearms Manufacturing is an American manufacturer of firearms and ammunition. It was founded in 1982 by Ronnie Barrett for the single purpose of building semi-automatic rifles chambered for the powerful 12.7×99mm NATO ammunition, originally developed for and used in M2 Browning machine...

 copied and uses the Leader Triangular breech bolt design for the M82A1 and its bolt action guns.

External links

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