|Place of origin||Poland|
|Manufacturer||Łucznik Arms Factory|
|Weight||3.7 kg (8.2 lb) normal, 3.4 kg (7.5 lb) bullpup|
|Length||980 mm (39 in) normal, 720 mm (28 in) bullpup, folding stock extended|
|Action||Gas-operated short stroke, rotating bolt|
|Rate of fire||700-750 rounds/min|
||This article has an unclear citation style. (June 2013)|
MSBS-5,56 (short for Modułowy System Broni Strzeleckiej kalibru 5,56 mm or English: Module-based Firearm System 5.56mm Calibre) is an assault rifle currently under development as a future service rifle of the Polish Army. There are two basic variants under development currently, based on common upper receiver: 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 carbine, sniper rifle or squad light machine gun. The rifle will be chambered for standard 5.56x45mm NATO ammunition, but 7.62x51mm NATO version will be also taken into consideration.
Currently the standard issue service rifle of the Polish armed forces is a variety of kbs wz.96 Beryl-based rifles, all of them direct descendants of the kbk AKM (modernized variant of the AK-47 Kalashnikov), developed since 1940's. However, that design is considered both outdated by modern standards and impossible to further improve.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.
The rifle is being developed since 2007 by the WAT (Military Academy of Technology) in Warsaw in cooperation with the arms manufacturer FB Radom. The weapon is said to be operating on completely distinct internal mechanics. No further info has been disclosed however. The external design was conceived by a separate team (Adam Gawron, Bartosz Stefaniak, Grzegorz Misiołek, Maciej Sajdak) working alongside mechanics engineers.
- (Polish) Nowa broń dla polskiej armii in: Gazeta Wyborcza, 15-12-2009
- (Polish) Pierwszy pokaz MSBS-5,56 in: Altair, 12-12-2009
- (Polish) Nowa polska broń – MSBS-5,56 in: Altair, 15-12-2009
- (Polish) MSBS-5,56 już strzela in: Altair, 16-12-2009
- (Polish) Nowy MSBS-5,56 in: Altair, 09-08-2010
- (Polish) MSBS-5,56 w nowej szacie in: Altair, 05-10-2010
- (Polish) Giwera przyszłości in: Polska zbrojna, 30-12-2008
- (Polish) MSBS-5,56 w Pułtusku in: Altair, 04-06-2011
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