This paper model is a Heckler & Koch MP5KA4, a variant of the Heckler & Koch MP5 (from German: Maschinenpistole 5, "machine pistol model 5"), which is a 9mm submachine gun of German design, developed in the 1960s by a team of engineers from the German small arms manufacturer Heckler & Koch GmbH (H&K) of Oberndorf am Neckar, the papercraft is created by [unknown].
The MP5 is one of the most widely used submachine guns in the world, having been adopted by 40 nations and numerous military, law enforcement, intelligence, and security organizations. It is widely used by SWAT teams in North America. In 1999, Heckler & Koch developed the Heckler & Koch UMP, the MP5's successor; both are available as of 2015. For further information please click here.
You can download this papercraft model template here: Heckler & Koch MP5KA4 Submachine Gun Free Paper Model Download [Box] [Gavitex]