The karabinek szturmowy wzór 1996 "Beryl", is a Polish 5.56 mm assault rifle, designed and produced by the Łucznik Weapons Factory in the city of Radom. The rifle replaced the 5.45×39mm FB Tantal used in the Polish Armed Forces; It also replaced the Armed Forces' stock of 7.62×39mm AKM rifles for operational purposes, although reserve and training use of the AKM still continues to a limited degree. Replaces: M4