Fucile Specna Arms Sa-A04 Carabine Replica Half TanSpecna Arms SA A04 carbine replica Half Tan The Specna Arms brand SA A04 carbine replica made predominantly of an homogenous alloy of zinc and aluminum with the use of steel elements in the most neuralgic points of the replica ( the screws, the pins and the tactical sling attachment points are made of steel ). The SF type stock which holds the battery and the pistol grip were made of polymer plastic. The replicas body, the RIS rail set were a subject