The artillery level is an aiming device for calibrating the backsights for all artillery guns equipped with reference facets parallel to the barrel's axis and trunnion axis. The sighting level gives the angle of the muzzle with respect to horizontal. The body's one-piece design enables the level, by keeping control of the reference continuity at machining, to ensure the optimum maintenance of geometric performance of the final product. The site adjustment accuracy is ensured to 2 ₥