The T.A.R. 21 is an Israeli bullpup assault rifle chambered for 5.56x45mm NATO ammunition with a selective fire system. The name “T.A.R. 21” stands for “Tavor Assault Rifle – 21st Century”. The T.A.R. 21 was selected as the future assault rifle of the Israel Defense Forces, is the standard issued weapon of the Givati Brigade (since August 2006) and Golani Brigade (since August 2008). Within the next few years it will become the standard Israel infantry weapon.