MSBS "Radon" is an assault rifle

Assault rifle

An assault rifle is a selective fire rifle that uses an intermediate cartridge and a detachable magazine. Assault rifles are the standard infantry weapons in most modern armies...

 currently under development as a future service rifle

Service rifle

The service rifle of a given army or armed force is that which it issues as standard to its soldiers. In modern forces, this is typically a highly versatile and rugged assault rifle suitable for use in nearly all theatres and environments...

 of the Polish Army. There are two basic variants under development currently: a bullpup version and a standard version with folding, retractable stock. Thanks to a variety of modules, both variants are to be easily transformed into a sniper rifle

Sniper rifle

In military and law enforcement terminology, a sniper rifle is a precision-rifle used to ensure more accurate placement of bullets at longer ranges than other small arms. A typical sniper rifle is built for optimal levels of accuracy, fitted with a telescopic sight and chambered for a military...

 or squad light machine gun

Light machine gun

A light machine gun is a machine gun designed to be employed by an individual soldier, with or without an assistant, as an infantry support weapon. Light machine guns are often used as squad automatic weapons.-Characteristics:...

. The rifle will be chambered for standard 5.56x45mm NATO

5.56x45mm NATO

5.56×45mm NATO is a rifle cartridge developed in the United States and originally chambered in the M16 rifle. Under STANAG 4172, it is a standard cartridge for NATO forces as well as many non-NATO countries. It is derived from, but not identical to, the .223 Remington cartridge...

 ammunition.

Currently the standard issue service rifle of the Polish armed forces is a variety of kbks wz.96 Beryl-based rifles, all of them direct descendants of the AK-47

AK-47

The AK-47 is a selective-fire, gas-operated 7.62×39mm assault rifle, first developed in the Soviet Union by Mikhail Kalashnikov. It is officially known as Avtomat Kalashnikova . It is also known as a Kalashnikov, an "AK", or in Russian slang, Kalash.Design work on the AK-47 began in the last year...

 Kalashnikov, developed since 1940's. However, that design is considered both outdated by modern standards and impossible to further improve. Because of that work on a completely new family of assault rifles was started in Poland.

While the MSBS is conventional in external design (the magazine and action are located in front of the trigger), the weapon is said to be operating on a completely distinct internal mechanics. No further info has been disclosed however. The rifle is being developed by the WAT Military Technology University in Warsaw since 2007. It was first presented to the press in December 2009. It is bound to enter serial production at the Radom

Radom

Radom is a city in central Poland with 223,397 inhabitants . It is located on the Mleczna River in the Masovian Voivodeship , having previously been the capital of Radom Voivodeship ; 100 km south of Poland's capital, Warsaw.It is home to the biennial Radom Air Show, the largest and...

-based Fabryka Broni and enter service by the end of 2014.

Reference

Nowa broń dla polskiej armii in: Gazeta Wyborcza

Gazeta Wyborcza

Gazeta Wyborcza is a leading Polish newspaper. It covers the gamut of political, international and general news. Like all the Polish newspapers, it is printed on compact-sized paper, and is published by the multimedia corporation Agora SA...

, 15-12-2009 Pierwszy pokaz MSBS-5,56 in: Altair, 12-12-2009 Nowa polska broń – MSBS-5,56 in: Altair, 15-12-2009 MSBS-5,56 już strzela in: Altair, 16-12-2009 Nowy MSBS-5,56 in: Altair, 09-08-2010 MSBS-5,56 w nowej szacie in: Altair, 05-10-2010 Giwera przyszłości in: Polska zbrojna, 30-12-2008