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The MIL-STD-1913 rail is commonly called the "Picatinny Rail", in reference to the Picatinny Arsenal in New Jersey. Picatinny Arsenal works as a contracting office for small arms design (they contracted engineers to work on the M4 [ 4 ] ).
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.
The Beryl's design layout and system of operation are similar to those of the Tantal rifle, and the principal differences, resulting primarily from using a different cartridge, include the following components: the barrel, receiver housing, buttstock, foregrip, muzzle device, sight system and magazine.
The NATO Accessory Rail STANAG 4694, or Picatinny rail STANAG 2324, or a "Tactical Rail" is a bracket used on M16 type rifles to provide a standardized mounting platform. The rail comprises a series of ridges with a T-shaped cross-section interspersed with flat "spacing slots".
The FB Mini-Beryl is a Polish compact assault rifle derived from the FB Beryl service rifle and chambered for 5.56×45mm.It was developed in parallel with the wz. 96 Beryl by the Fabryka Broni in Radom and introduced into service with the Polish Armed Forces in 1997 under the military designation karabinek krótki wz. 96 (abbreviated kbk wz. 96, "short carbine pattern 1996").
The main differences between the M240B and M240G is the Picatinny rail system, hydraulic buffer inside of the butt stock to reduce the amount of recoil felt by the gunner, and the number of gas settings on the gas regulator plug. The M240G has three gas settings, allowing the machine gun to have a fire rate between 650 and 750 rounds per minute ...
It had a short Picatinny rail on the top and a smooth pistol grip surface. MP7: In 2001, it was designated as the 'MP7' and went into production. Changes include a full-length Picatinny rail, a thick curved stock and an anti-slide surface on the pistol grip much like the HK USP.
The carrying handle and detachable rear sight on top of the Picatinny rail can be removed in order to install various optics. [30] [31] The rifle's front handguard is ribbed, with cuts for thermal ventilation. [31] This design improves barrel cooling in situations where sustained fire is necessary. [31]