The Tavor Carbine semi-automatic assault rifle (TC-21) was the first Tavor made especially for civilian use. The Tavor TC-21 is built with a full length Picatinny rail, without optics. The TC-21 was first introduced in Canada in 2008 and later introduced to the US market in 2013. The Tavor TC-21 is available in black, olive drab, or earth colors. It come with either a 16.5 inch or 18 inch barrel. This unique assault rifle has a conversion kit for 9mm caliber which accepts Colt style magazines and also conversion bolts for changing between left and right handed shooters.