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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 only significant difference between the MIL-STD-1913 rail and the similar Weaver rail mount are the size and shapes of the slots. Whereas the earlier Weaver rail is modified from a low, wide dovetail rail and has rounded slots, the 1913 rail has a more pronounced angular section and square-bottomed slots. This means that an accessory ...
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 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]
The MK 22 PSR will have conversion kits for .338 Norma Magnum, .300 Norma Magnum, and 7.62×51mm NATO. However, unlike the MK 22 ASR, it is issued with a Leupold Mark 5HD 5-25x56mm scope. The Army plans for the MK 22 to replace the currently in use M107 and M2010 sniper rifles.
The most commonly encountered mounting systems are the 3 ⁄ 8 inch (9.5 mm) and the 11 mm dovetail rails (sometimes called "tip-off mounts") commonly found on rimfires and air guns, the Weaver rails, the mil-spec MIL-STD-1913 Picatinny rail (STANAG 2324), and the NATO Accessory Rail (STANAG 4694). Ruger uses a proprietary scope base system ...
Rep. Jared Moskowitz, D-Fla., mocked Republicans for insisting that they adhere to their internal "three-day rule." That allows lawmakers to ponder bills for three days before a vote.
The receiver is modified in octagonal form, drilled, and slotted for a scope rail. The bolt is a dual front locking lug. There is a Shilen standard single-stage trigger with approximately 5 lb. pull. A muzzle brake is optional on the .308 Win. and .300 Win. Mag models; it is standard on the .338 Lapua model.