Michigan Compiled Laws, Chapter 691. Judiciary § 691.1544

Sec. 4. Each person who participates in sport shooting at a sport shooting range that conforms to generally accepted operation practices accepts the risks associated with the sport to the extent the risks are obvious and inherent. Those risks include, but are not limited to, injuries that may result from noise, discharge of a projectile or shot, malfunction of sport shooting equipment not owned by the shooting range, natural variations in terrain, surface or subsurface snow or ice conditions, bare spots, rocks, trees, and other forms of natural growth or debris.