The Chinese firm Norinco manufactures versions of the M14 rifle known as the M14S (Sporter) and the M305. There are two versions of the M305. The M305A/B, one with the same barrel as the regular M14 and one with a short barrel. The M305A is an M14 chambered to fire 7.62x39 ammo. and the M305B is a M14 with an 18.5" barrel and chambered to fire in 7.62 NATO caliber. Copies of the select-fire and semi-auto versions of the M14 were also made by Norinco.