Model 45A
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The Model 45A was a
.30 caliber The 7.62 mm caliber is a nominal caliber used for a number of different cartridges. Historically, this class of cartridge was commonly known as .30 caliber, the imperial unit and customary unit equivalent, and was most commonly used for i ...
bullpup battle rifle/
light machine gun A light machine gun (LMG) is a light-weight machine gun designed to be operated by a single infantryman, with or without an assistant, as an infantry support weapon. LMGs firing cartridges of the same caliber as the other riflemen of the sa ...
developed by the
United States Army The United States Army (USA) is the land warfare, land military branch, service branch of the United States Armed Forces. It is one of the eight Uniformed services of the United States, U.S. uniformed services, and is designated as the Army o ...
in the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
in 1945. The weapon existed in prototype or mockup form, but never entered production. The rifle was sparsely documented until annotated photographs of the rifle were found in the archives of the
United States Army Signal Corps The United States Army Signal Corps (USASC) is a branch of the United States Army that creates and manages communications and information systems for the command and control of combined arms forces. It was established in 1860, the brainchild of Ma ...
.


Design

The Model 45A utilized the magazine from the
M1918 Browning Automatic Rifle The Browning Automatic Rifle (BAR) is a family of American automatic rifles and machine guns used by the United States and numerous other countries during the 20th century. The primary variant of the BAR series was the M1918, chambered for the ...
. Rather than iron sights, it featured an integral scope. Its purpose is unclear, but it is alternately described as a "experimental .30 caliber
light machine gun A light machine gun (LMG) is a light-weight machine gun designed to be operated by a single infantryman, with or without an assistant, as an infantry support weapon. LMGs firing cartridges of the same caliber as the other riflemen of the sa ...
(LMG)" or a "field expedient .30 cal."


See also

* Sieg automatic rifle * SLEM-1 *
EM-2 rifle The EM-2, also known as Rifle, No.9, Mk.1 or Janson rifle, was a British assault rifle. It was briefly adopted by British forces in 1951, but the decision was overturned very shortly thereafter by Winston Churchill's incoming government in an ...
*
List of bullpup firearms The following is a list of firearms designed in a bullpup (i.e., action behind firecontrol/trigger group) configuration. References {{Bullpup Firearms, Rifles=Pindad SS2 Bullpup Bullpup firearms A bullpup firearm is one with its fir ...
*
List of battle rifles Battle rifles are full-powered rifles, full-length, fully automatic or semi-automatic rifles that have been adopted by a nation's military. The difference between a battle rifle and a designated marksman rifle is often only one of terminology wit ...


References

*Tom Laemlein. ''The Incredible U.S. Model 45A''. Small Arms Review, January 2010.
Model 45A
.30-06 Springfield battle rifles .30-06 Springfield machine guns Bullpup rifles Light machine guns Trial and research firearms of the United States Weapons of the Philippine Army {{Rifle-stub