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The OTs-14-4 "Groza-4" (Russian: ОЦ-14-4 "Гроза", lit. 'Storm') [1] is a Russian selective fire bullpup assault rifle chambered for the 9×39mm subsonic cartridge. It was developed in the 1990s at the TsKIB SOO (Central Design and Research Bureau of Sporting and Hunting Arms) in Tula, Russia.
The Malyuk is cooled by air convection, which allows the rifle to have a longer barrel life. [5] The rifle's effective firing range is 500 m [18] at a rate of 700 rounds per minute. The magazine release button is located next to the trigger.
The FN P90 uses the bullpup layout in conjunction with a unique top-mounted feeding system, making it the most compact submachine gun with a fixed stock. The bullpup design places the gun's action mechanism and magazine behind the trigger, and the receiver functionally serves as the buttstock with usually only a thin endplate, [5] making the ...
However, unlike most Russian rifles, it adopts a bullpup layout, which reduces the overall length while maintaining a full-length barrel, improving handling in confined spaces. The rifle can be chambered in multiple calibers, including the standard Russian 5.45×39mm and 7.62×39mm rounds, as well as the NATO- standard 5.56×45mm NATO cartridge.
About 125 rifles were initially bought by the United States Marine Corps, and orders from the Army and Air Force soon followed. The M82A1 is known by the U.S. military as the SASR—" Special Applications Scoped Rifle ", [ 5 ] and it was and still is used as an anti-materiel rifle and explosive ordnance disposal tool.
The Kel-Tec RDB (Rifle, Downward-ejection, Bullpup) is a bullpup carbine offered in 5.56×45mm NATO semi-automatic rifle, manufactured by Kel-Tec Industries of Florida.It uses a rotary bolt with a spring loaded ejector and an extractor facing down, ejecting spent shell casings downward, allowing easy ambidextrous use.
There are two variants of the MSBS Grot: assault rifle (in conventional and bullpup configurations) and designated marksman rifle. [3] Both variants use the same lock and the modular structure ensures the interchangeability of parts and accessories. The MSBS is intended to ultimately replace the FB Beryl as the Polish service rifle. [4]
The configuration at the top is with a SBR upper with a length of 20 inches with the configuration below consisting of a 16 inch upper with a length of 26.5 inches. [1] The initial a prototype lacks a safety and adjustable outside of interchangeable butt pads, but the creators say "it should work without issue".