The object of the present invention is to provide a leaching protector at outdoor shooting ranges comprising an elastic covering layer arrangement (100), a projectile-arresting material and a drainage arrangement. The covering layer arrangement (100) comprises a security layer (101) covering a security area (110) having a low probability of being penetrated by projectiles and a firing layer (102) covering a firing area (120) having a high probability of being penetrated by projectiles. The security layer (101) and the firing layer (102) are penetrable by projectiles. The security layer (101) is made of a first material and the firing layer (102) is made of a second material.