M1922 Bang rifle
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The Model 1922 Bang rifle using the sliding muzzle-cap system.
|Place of origin||United States|
|Designer||Søren Hansen Bang|
|Cartridge||.30-06 Springfield, 6.5mm Krag|
|Action||gas-operated, rotating bolt|
The Model 1922 Bang rifle is a US semi-automatic rifle designed by the Danish arms designer Søren Hansen Bang. It was a modification of the earlier Models of 1909 and Model 1911 Bang rifles, both chambered in the .30-06 Springfield round.
It was gas operated, using a sliding muzzle cup system which was blown forward by the combustion gases while the bullet emerged from the barrel. During field trials in 1919 and 1927, the rifle was demonstrated by the designer. Because of its mechanical complexity and its susceptibility to gas fouling of the sliding muzzle cup, it was unsuccessful in US government testing.
The Bang blow-forward gas system, originally developed in 1903, inspired severeral other weapon developments: It was used in the unsuccessful French Puteaux APX machine gun of 1904 and its direct successor, the controversial St. Étienne Mle 1907 machine-gun. Also in the Gewehr 41 where it suffered the same shortcomings.
- U.S. Patent 901,143, October 13, 1908, Device for Automatic Firing of Self-Loading Arms, Inventor Søren H. Bang of Copenhagen, Denmark
- U.S. Patent 1,534,486, April 21, 1925, Self-Loading Firearm, Inventor Søren H. Bang of Copenhagen, Denmark
- http://www.nps.gov/spar/historyculture/exper-semi-auto-rifles-1919-31.htm Accessed January 9, 2011
- material #2 from Forgotten Weapons
- Hatcher's Notebook by Julian S. Hatcher, 1952, The Stackpole Company.