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The 1913 rail (MIL-STD-1913 rail) is an American rail integration system designed by Richard Swan [1] that provides a mounting platform for firearm accessories. It forms part of the NATO standard STANAG 2324 rail. It was originally used for mounting of telescopic sights atop the receivers of larger caliber rifles.
John Frank Stevens (April 25, 1853 – June 2, 1943) was an American civil engineer who built the Great Northern Railway in the United States and was chief engineer on the Panama Canal between 1905 and 1907. He also led the commission of American railway experts to Russia and was later President of the Interallied Technical Board.
The Picatinny Arsenal (/ ˈ p ɪ k ə t ɪ n i / or / ˌ p ɪ k ə ˈ t ɪ n i /) is an American military research and manufacturing facility located on 6,400 acres (2,590 ha) of land in Jefferson and Rockaway Townships in Morris County, New Jersey, United States, encompassing Picatinny Lake and Lake Denmark.
NATO Accessory Rail (STANAG 4694) The NATO Accessory Rail (NAR), defined by NATO Standardization Agreement (STANAG) 4694, is a rail interface system standard for mounting accessory equipment such as telescopic sights, tactical lights, laser aiming modules, night vision devices, reflex sights, foregrips, bipods and bayonets to small arms such as rifles and pistols.
The Picatinny rail has a similar profile to the Weaver, but the recoil groove width of the Picatinny rail is 0.206 in (5.23 mm) versus 0.180 in (4.57 mm) of the Weaver rail/mount, and by contrast with the Weaver, the spacing of the Picatinny recoil groove centers is consistent, at 0.394 in (10.01 mm). [5]
American Samoa: 1858 1873 1879 1887 1900 1908 1912 1959 1960 American Samoa: Guam: 1885 1898 1908 1912 1941 1944 1947 1948 Guam: Northern Mariana Islands: 1885 1899 1914 1919 1944 1947 1965 1972 1976 1989 Northern Mariana Islands: Puerto Rico: 1506 1701 1760 1785 1873 1895 1952 Puerto Rico: Virgin Islands: 1672 1917 1921 Virgin Islands ...
Despite its early failures the M16 proved to be a revolutionary design and stands as the longest continuously serving rifle in US military history. [60] It has been adopted by many US allies and the 5.56×45 mm NATO cartridge has become not only the NATO standard but "the standard assault-rifle cartridge in much of the world."
Steam locomotives of the Chicago and North Western Railway in the roundhouse at the Chicago, Illinois rail yards, 1942. The Timeline of U.S. Railway History depends upon the definition of a railway, as follows: A means of conveyance of passengers and goods on wheeled vehicles running on rails, also known as tracks.