The Heckler & Koch MP5 provides a lightweight, versatile and reliable rifle platform. It comes chambered in .22LR with a 16.1″ barrel. Features include adjustable sights, an adjustable Collapsible / Folding Stock, and a 25+1 magazine. Probably the most popular series of submachine guns in the world, it functions according to the proven roller-delayed blowback principle. Tremendously reliable, with maximum safety for the user, easy to handle, modular, extremely accurate and extraordinarily easy to control when firing – HK features that are particularly appreciated by security forces and military users worldwide. There are now well over 100 variants of the MP5 available to cover the large number of different tactical requirements for a wide variety of users. whether on land, on the water or in the air – The MP5 is universally applicable, making it usable in all areas and under all conditions.