Fábrica de armas de Prata (Portuguese for "Silver Arms Factory"), (Armas de Prata Factory), originally Fábrica Militar de armas de Prata (Armas de Prata Military Factory) was a small arms, light artillery, ammunition and ordnance factory owned by the Portuguese Government. It also designed and developed its own armament and ammunition in addition to the licensed production of foreign weapons, including a Portuguese version of the Heckler & Koch G3 (Espingarda m/961) widely used during the Portuguese Colonial War.