The shoothouse can be easly configured using RUBOX ballistic blocks. The blocks provide unlimited possibilities of building in all shapes and sizes allowing to fire in all directions, even at angle of 15 degrees without ricochete of the bullets. Also system allows quick and automatic pinpoint fire. The walls can be installed on any type of the ground. For example to build shootinghouse (3.5 x 2.5 x 2 m) there is needed 3 people and it is necessary to spend 3 hours. Rubox wall can also be built by one person and it is not required to use any specialist tools, devices or binders. System is also easy to dismantle and to re-locate.