[mounted_weapon_definition]
fire_bone       = bone_fire              ; fire bone name
actor_bone      = bone_actor             ; actor bone name
rotate_x_bone   = bone_rotate_x          ; rotate X-axis(pitch) bone name
rotate_y_bone   = bone_rotate_y          ; rotate Y-axis(head)  bone name
camera_bone     = bone_camera            ; rotate Y-axis(head)  bone name 
wpn_section     = stationary_mgun