TM 9-252 Bofors 40-MM Automatic Gun M1 (AA) and 40-MM Antiaircraft Gun Carriages: M2 and M2a1 Technical Manual
TM 9-252 Bofors 40-MM Automatic Gun M1 (AA) and 40-MM Antiaircraft Gun Carriages: M2 and M2a1 Technical Manual

Author: War Department

Publisher: Periscope Film LLC

Published: 2013-05-01

Total Pages: 310

ISBN-13: 9781937684419

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The Bofors 40-mm gun is an anti-aircraft, multi-purpose autocannon designed in the 1930s by the Swedish arms manufacturer AB Bofors. It was one of the most popular anti-aircraft systems during World War II, used by most of the western Allies as well as the Axis powers. The cannon remains in service as of 2013, making it one of the longest serving artillery pieces of all time as well as the most wide spread. During World War II, In order to supply both the United States Army and Navy with a much greater number of guns, Chrysler began mass production. Over the lifetime of the production, their engineers introduced numerous additional changes to make the manufacturing process more efficient, eventually reducing the overall time needed to build a gun by half. In U.S. Army service, the single mount Bofors was known as the 40-mm Automatic Gun M1. The U.S. version of the gun fired three variants of the British Mark II high explosive shell as well as the M81A1 armor-piercing round, which was capable of penetrating some fifty millimeters of homogeneous armor plate at a range of 500 yards. Created in 1944, this technical manual reveals a great deal about the 40-mm Automatic Gun M1's design and capabilities. Intended as a manual for those charged with operation and maintenance, it details many aspects of its sighting equipment, ammunition, accessories much more. Originally labeled restricted, this manual was declassified long ago and is here reprinted in book form. Care has been taken to preserve the integrity of the text.

The Bofors Gun
The Bofors Gun

Author: Terry Gander

Publisher: Pen and Sword

Published: 2013-04-30

Total Pages: 275

ISBN-13: 1473835046

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The definitive history of this enduring and versatile anti-aircraft weapon, including many photos and drawings. The 40mm Bofors gun, first produced in the 1930s, has become one of the most famous artillery pieces of all time. It shows no sign of fading from the defense scene as, in the second decade of the twenty-first century, it performs in many roles that were not contemplated by its original designers. It has also proven to be so versatile that it is now allied to electronic and other technological marvels that were mere pipe dreams only a few years ago. When the Bofors entered the international defense market, its primary quarry, the military aircraft, was still a slow and fragile machine that could be terminally damaged by a single hit from a 40mm projectile. Terry Gander describes this early period in the gun’s development and he shows how, despite recent increases in target speed and other performance parameters, it can still inflict a one-hit kill on almost any aircraft, helicopter or guided missile. Perhaps the most astonishing aspect of the story is that the fundamentals of today’s Bofors guns remain virtually unchanged from the very first examples to come off the Karlskoga production line in Sweden. In all its forms, the Bofors continues to be a sound, reliable, and lethal piece of military hardware that has given good service to gunners all over the world. Terry Gander’s comprehensive account of the history of this remarkable weapon over the course of almost eighty years is fascinating reading and an invaluable work of reference for military historians and artillery specialists alike.