Fucile Gfc Modello Gfc17 ReplicaGFG17 carbine replica The GF17 replica is made of steel, ZnAl and plastic with the highest attention to detail and precision of make. The whole body and the cover, the firing mode selector lever and most of the minor elements are made of steel. The RIS rails which cover almost the whole length of the replicas barrel, the stocks pipe, the outer barrel, the iron aiming sights and some minor elements are made of an homogenous alloy of zinc and aluminum.