Heckler & Koch G36C
The shortest member of the 5.56 mm G36 family, the G36C is a Compact Carbine with a 9 inch (228 mm) barrel. With the buttstock folded it measures 19.67 inches (500 mm) and is shorter that a 9mm MP5. The G36C is the shortest standard production 5.56 mm carbine made. Its short size makes it especially handy for vehicle operations or any application where a powerful and compact 5.56 mm weapon is required.