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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 ...
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 SIG Sauer 200 STR has an 11 mm dovetail on the receiver for mounting a diopter rear sight or a scope sight, either directly or via a Picatinny rail adapter.. Dovetails come in several different types and sizes depending on manufacturer, but the most common are the 11 mm and 3 ⁄ 8 inch (9.5 mm).
A prototype of the MOE slot was revealed by Magpul in late 2007 together with their Masada Concept Rifle (which would later be known as the Adaptive Combat Rifle).Magpul released the MOE slot system in 2008 as a feature on their MOE handguards, and at the same time compatible accessories such as Picatinny rail sections, direct MOE mounted light mounts, grips, bipod studs, etc. were released.
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.
There are several mounting standards for attaching a bipod to a rifle, of which some well known are swivel stud, Picatinny, M-LOK and Versa Pod spigot mount. Starting in the late 2010s, the Arca-Swiss style also gained popularity in shooting competitions such as the Precision Rifle Series since the rail allows for stepless adjustment. [8]
The M21 is based on the Kalashnikov rifle, chambered in the 5.56×45mm NATO cartridge. [3] The current models use a 1.5mm thick stamped receiver. The M21 can incorporate picatinny rails for mounting accessories like optics, vertical grips, bipods, etc. The Zastava M21 is gas operated, long stroke piston with a rotating bolt locking system rifle ...
[48] [49] Most weapons are now fitted with Knights Armaments Rail Adapter System handguards (that hold zero on the top and the bottom rails) and Picatinny rail flat-top upper receivers. The muzzle velocity and effective range are stated as 895 m/s (2,936 ft/s) and 550 m (601 yd) with a 400 mm (15.7") barrel and 790 m/s (2,592 ft/s) and 250 m ...