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John Pedersen (arms designer)

John Douglas Pedersen
Born (1881-05-21)May 21, 1881
Grand Island, Nebraska
Died May 23, 1951(1951-05-23) (aged 70)
Blandford, Massachusetts
Known for Arms designer

John Douglas Pedersen (May 21, 1881 – May 23, 1951) was a prolific arms designer who worked for Remington Arms, and later for the United States Government. Famed gun designer John Moses Browning told Maj. Gen. Julian S. Hatcher of U.S. Army Ordnance that Pedersen "was the greatest gun designer in the world".

Pedersen is best known for the 1918 Pedersen device that converted a standard military Springfield 1903 rifle to a semi-automatic, intermediate-caliber firearm.

He designed several successful sporting guns for Remington, including the novel Model 51 pistol, the Model 10 pump-action shotgun and the Models 12, 14, and 25 pump-action rifles. He collaborated with John Browning to design the Model 17 pump-action shotgun. The Model 17 was a trim, 20-gauge shotgun that was later redesigned and made in three highly successful forms: the Remington Model 31, Browning BPS, and the Ithaca 37.

Pedersen designed two well received U.S. military firearms from the 20th century. His .45 caliber automatic pistol, based on the same design as the Model 51, was accepted by the Navy Board for production, but the First World War intervened and Remington tooled to produce the M1911 instead. He also designed a competing design to the M1 Garand rifle. His design utilized a toggle-lock and patented waxed cartridges. The Garand was selected instead. His "Pedersen rifle" was also trial tested by the British and Japanese between World War I and World War II, but it was not adopted. The ammunition he developed, the .276 Pedersen (7×51mm) waxed round was an experimental 7 mm cartridge developed for the U.S. Army and used in the Pedersen rifle. Modern wisdom suggests the 5.56 NATO (.223) is not enough and that the 7.62 NATO (.308) is too much for a semi or full auto rifle, with consensus coming towards a .280 calibre universal nature.


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