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A rail system mounted on top of a SIG SG 550 A dovetail rail on a rifle receiver for mounting a sight. A rail integration system (RIS; also called a rail accessory system (RAS), rail interface system, rail system, mount, base, gun rail, or simply a rail [1]) is a generic term for any standardized attachment system for mounting firearm accessories via bar-like straight brackets (i.e. "rails ...
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 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.
The world's first underground railway, the Metropolitan Railway, was opened in London in 1863. It is now part of London's rapid transit system that referred to as the London Underground, the longest such system in Europe. After London, the largest European metro systems by track length are in Moscow, Madrid and Paris.
The UIT rail, also known as Anschutz rail, is a standard used for mounting slings and other gun accessories in competition shooting, and is essentially a T-slot track shaped aluminium extrusion profile accepting attachments in the form of T-slot nuts, or similar.
The 240 mile (380 km) rail link, which will be built and operated by Texas Central Partners and Amtrak, is expected to cut travel times between the cities to about 90 minutes, from three-and-a ...
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Shizuo Kambayashi/APA Texas firm plans to uses Japanese technology to build America's first high-speed rail line. By Jon Herskovitz AUSTIN, Texas -- With high-speed rail in the United States long ...