The Heckler & Koch MP7 is an extremely customizable weapon, and can be configured for any situation.
In this photo there are two MP7 A1 weapons; one in its standard form with forgrip in folded up position, stock in, sights flipped down, and a 20 round magazine inserted. The other is the opposite, and includes a 40 round magazine (new design). The flash suppressor has been removed and is above the weapon.
Surrounding the MP7s from top left to bottom right: 20 round magazine, standard MP7 A1 flash suppressor, 'G3 style' removable front sight, 'G3 style' removable rear sight, Zeiss Z-Point red dot sight, EOTech Holosight 551 red dot sight, Aimpoint CompM2 red dot sight, MP7 cleaning kit, tactical sling.
Photo corteousy of www.hkarms.eu, an excellent website for everything Heckler & Koch.