There are five Olympic rifle events. Men's and women's 10 meter air rifle, men's and women's 50 meter 3 position rifle, and men's 50 meter rifle prone event. The men's 50 meter rifle prone event uses precision 22 caliber rifles with micro-adjustable metallic sights, shooting mats, spotting scopes, shooting jackets, and pants. A 22 caliber long rifle bullet is used in these precision Olympic rifles. There are strict rules that apply to the overall size of the rifle, weight, and accessories. The target is placed 50 meters from the firing point. The center 10 ring is 10.4 millimeters in diameter. The 50 meter prone rifle event is 60 competition shots. A total maximum score of 600 points is possible. A competitive world-class score is 598.